Home / 79,881,737.40-119,822,606.10-65,521,020.60

Finding the Fourth Proportional to 79,881,737.40, 119,822,606.10 and 65,521,020.60

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Solution

The fourth proportional to 79,881,737.40, 119,822,606.10 and 65,521,020.60 is: 98,281,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,881,737.40 : 119,822,606.10 = 65,521,020.60 : x
  2. Step 2: Convert to fraction form
    79,881,737.40/119,822,606.10 = 65,521,020.60/x
  3. Step 3: Cross multiply
    79,881,737.40x = 119,822,606.10 × 65,521,020.60
  4. Step 4: Simplify right side
    79,881,737.40x = 7,850,899,442,623,785
  5. Step 5: Solve for x
    x = 7,850,899,442,623,785/79,881,737.40
  6. Step 6: Final answer
    x = 98,281,530.90

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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.