Home / 141,737,212.80-212,605,819.20-77,071,996.80

Finding the Fourth Proportional to 141,737,212.80, 212,605,819.20 and 77,071,996.80

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Solution

The fourth proportional to 141,737,212.80, 212,605,819.20 and 77,071,996.80 is: 115,607,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,737,212.80 : 212,605,819.20 = 77,071,996.80 : x
  2. Step 2: Convert to fraction form
    141,737,212.80/212,605,819.20 = 77,071,996.80/x
  3. Step 3: Cross multiply
    141,737,212.80x = 212,605,819.20 × 77,071,996.80
  4. Step 4: Simplify right side
    141,737,212.80x = 16,385,955,017,043,778
  5. Step 5: Solve for x
    x = 16,385,955,017,043,778/141,737,212.80
  6. Step 6: Final answer
    x = 115,607,995.20

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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.