Home / 141,737,219.80-212,605,829.70-77,072,003.80

Finding the Fourth Proportional to 141,737,219.80, 212,605,829.70 and 77,072,003.80

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Solution

The fourth proportional to 141,737,219.80, 212,605,829.70 and 77,072,003.80 is: 115,608,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,737,219.80 : 212,605,829.70 = 77,072,003.80 : x
  2. Step 2: Convert to fraction form
    141,737,219.80/212,605,829.70 = 77,072,003.80/x
  3. Step 3: Cross multiply
    141,737,219.80x = 212,605,829.70 × 77,072,003.80
  4. Step 4: Simplify right side
    141,737,219.80x = 16,385,957,314,540,552
  5. Step 5: Solve for x
    x = 16,385,957,314,540,552/141,737,219.80
  6. Step 6: Final answer
    x = 115,608,005.70

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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.