Home / 84,053,999.70-126,039,009.15-38,564,399.70

Finding the Fourth Proportional to 84,053,999.70, 126,039,009.15 and 38,564,399.70

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Solution

The fourth proportional to 84,053,999.70, 126,039,009.15 and 38,564,399.70 is: 57,827,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,053,999.70 : 126,039,009.15 = 38,564,399.70 : x
  2. Step 2: Convert to fraction form
    84,053,999.70/126,039,009.15 = 38,564,399.70/x
  3. Step 3: Cross multiply
    84,053,999.70x = 126,039,009.15 × 38,564,399.70
  4. Step 4: Simplify right side
    84,053,999.70x = 4,860,618,726,652,558
  5. Step 5: Solve for x
    x = 4,860,618,726,652,558/84,053,999.70
  6. Step 6: Final answer
    x = 57,827,334.14

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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.