Home / 127,276,184.85-191,047,864.29-112,795,746.21

Finding the Fourth Proportional to 127,276,184.85, 191,047,864.29 and 112,795,746.21

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Solution

The fourth proportional to 127,276,184.85, 191,047,864.29 and 112,795,746.21 is: 169,312,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276,184.85 : 191,047,864.29 = 112,795,746.21 : x
  2. Step 2: Convert to fraction form
    127,276,184.85/191,047,864.29 = 112,795,746.21/x
  3. Step 3: Cross multiply
    127,276,184.85x = 191,047,864.29 × 112,795,746.21
  4. Step 4: Simplify right side
    127,276,184.85x = 21,549,386,414,417,360
  5. Step 5: Solve for x
    x = 21,549,386,414,417,360/127,276,184.85
  6. Step 6: Final answer
    x = 169,312,007.90

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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.