Home / 121,168,551,036.90-181,752,826,555.35-81,496,692,963.30

Finding the Fourth Proportional to 121,168,551,036.90, 181,752,826,555.35 and 81,496,692,963.30

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Solution

The fourth proportional to 121,168,551,036.90, 181,752,826,555.35 and 81,496,692,963.30 is: 122,245,039,444.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,551,036.90 : 181,752,826,555.35 = 81,496,692,963.30 : x
  2. Step 2: Convert to fraction form
    121,168,551,036.90/181,752,826,555.35 = 81,496,692,963.30/x
  3. Step 3: Cross multiply
    121,168,551,036.90x = 181,752,826,555.35 × 81,496,692,963.30
  4. Step 4: Simplify right side
    121,168,551,036.90x = 14,812,254,300,993,279,229,952
  5. Step 5: Solve for x
    x = 14,812,254,300,993,279,229,952/121,168,551,036.90
  6. Step 6: Final answer
    x = 122,245,039,444.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.