Home / 118,732,233.20-177,720,436.20-84,720,009.20

Finding the Fourth Proportional to 118,732,233.20, 177,720,436.20 and 84,720,009.20

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Solution

The fourth proportional to 118,732,233.20, 177,720,436.20 and 84,720,009.20 is: 126,810,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,732,233.20 : 177,720,436.20 = 84,720,009.20 : x
  2. Step 2: Convert to fraction form
    118,732,233.20/177,720,436.20 = 84,720,009.20/x
  3. Step 3: Cross multiply
    118,732,233.20x = 177,720,436.20 × 84,720,009.20
  4. Step 4: Simplify right side
    118,732,233.20x = 15,056,476,989,892,012
  5. Step 5: Solve for x
    x = 15,056,476,989,892,012/118,732,233.20
  6. Step 6: Final answer
    x = 126,810,357.93

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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.