Home / 99,696,038.40-149,544,057.60-42,169,190.40

Finding the Fourth Proportional to 99,696,038.40, 149,544,057.60 and 42,169,190.40

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Solution

The fourth proportional to 99,696,038.40, 149,544,057.60 and 42,169,190.40 is: 63,253,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,038.40 : 149,544,057.60 = 42,169,190.40 : x
  2. Step 2: Convert to fraction form
    99,696,038.40/149,544,057.60 = 42,169,190.40/x
  3. Step 3: Cross multiply
    99,696,038.40x = 149,544,057.60 × 42,169,190.40
  4. Step 4: Simplify right side
    99,696,038.40x = 6,306,151,838,122,967
  5. Step 5: Solve for x
    x = 6,306,151,838,122,967/99,696,038.40
  6. Step 6: Final answer
    x = 63,253,785.60

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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.