Home / 89,329,294.80-134,119,913.40-55,317,070.80

Finding the Fourth Proportional to 89,329,294.80, 134,119,913.40 and 55,317,070.80

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Solution

The fourth proportional to 89,329,294.80, 134,119,913.40 and 55,317,070.80 is: 83,053,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329,294.80 : 134,119,913.40 = 55,317,070.80 : x
  2. Step 2: Convert to fraction form
    89,329,294.80/134,119,913.40 = 55,317,070.80/x
  3. Step 3: Cross multiply
    89,329,294.80x = 134,119,913.40 × 55,317,070.80
  4. Step 4: Simplify right side
    89,329,294.80x = 7,419,120,745,237,669
  5. Step 5: Solve for x
    x = 7,419,120,745,237,669/89,329,294.80
  6. Step 6: Final answer
    x = 83,053,613.73

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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.