Home / 121,168,548,497.70-181,752,822,746.55-111,250,583,979.30

Finding the Fourth Proportional to 121,168,548,497.70, 181,752,822,746.55 and 111,250,583,979.30

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Solution

The fourth proportional to 121,168,548,497.70, 181,752,822,746.55 and 111,250,583,979.30 is: 166,875,875,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,548,497.70 : 181,752,822,746.55 = 111,250,583,979.30 : x
  2. Step 2: Convert to fraction form
    121,168,548,497.70/181,752,822,746.55 = 111,250,583,979.30/x
  3. Step 3: Cross multiply
    121,168,548,497.70x = 181,752,822,746.55 × 111,250,583,979.30
  4. Step 4: Simplify right side
    121,168,548,497.70x = 20,220,107,670,439,887,634,432
  5. Step 5: Solve for x
    x = 20,220,107,670,439,887,634,432/121,168,548,497.70
  6. Step 6: Final answer
    x = 166,875,875,968.95

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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.