Home / 82,709,772.30-124,064,658.45-52,098,770.70

Finding the Fourth Proportional to 82,709,772.30, 124,064,658.45 and 52,098,770.70

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Solution

The fourth proportional to 82,709,772.30, 124,064,658.45 and 52,098,770.70 is: 78,148,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,709,772.30 : 124,064,658.45 = 52,098,770.70 : x
  2. Step 2: Convert to fraction form
    82,709,772.30/124,064,658.45 = 52,098,770.70/x
  3. Step 3: Cross multiply
    82,709,772.30x = 124,064,658.45 × 52,098,770.70
  4. Step 4: Simplify right side
    82,709,772.30x = 6,463,616,192,560,368
  5. Step 5: Solve for x
    x = 6,463,616,192,560,368/82,709,772.30
  6. Step 6: Final answer
    x = 78,148,156.05

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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.