Home / 99,130,505.40-136,689,815.79-67,773,663.90

Finding the Fourth Proportional to 99,130,505.40, 136,689,815.79 and 67,773,663.90

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Solution

The fourth proportional to 99,130,505.40, 136,689,815.79 and 67,773,663.90 is: 93,452,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130,505.40 : 136,689,815.79 = 67,773,663.90 : x
  2. Step 2: Convert to fraction form
    99,130,505.40/136,689,815.79 = 67,773,663.90/x
  3. Step 3: Cross multiply
    99,130,505.40x = 136,689,815.79 × 67,773,663.90
  4. Step 4: Simplify right side
    99,130,505.40x = 9,263,969,633,904,374
  5. Step 5: Solve for x
    x = 9,263,969,633,904,374/99,130,505.40
  6. Step 6: Final answer
    x = 93,452,258.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.