Home / 52,488,045.70-78,732,068.55-48,342,805.90

Finding the Fourth Proportional to 52,488,045.70, 78,732,068.55 and 48,342,805.90

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Solution

The fourth proportional to 52,488,045.70, 78,732,068.55 and 48,342,805.90 is: 72,514,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,045.70 : 78,732,068.55 = 48,342,805.90 : x
  2. Step 2: Convert to fraction form
    52,488,045.70/78,732,068.55 = 48,342,805.90/x
  3. Step 3: Cross multiply
    52,488,045.70x = 78,732,068.55 × 48,342,805.90
  4. Step 4: Simplify right side
    52,488,045.70x = 3,806,129,108,018,144
  5. Step 5: Solve for x
    x = 3,806,129,108,018,144/52,488,045.70
  6. Step 6: Final answer
    x = 72,514,208.85

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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.