Home / 141,737,216.80-212,605,825.20-77,072,000.80

Finding the Fourth Proportional to 141,737,216.80, 212,605,825.20 and 77,072,000.80

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Solution

The fourth proportional to 141,737,216.80, 212,605,825.20 and 77,072,000.80 is: 115,608,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,737,216.80 : 212,605,825.20 = 77,072,000.80 : x
  2. Step 2: Convert to fraction form
    141,737,216.80/212,605,825.20 = 77,072,000.80/x
  3. Step 3: Cross multiply
    141,737,216.80x = 212,605,825.20 × 77,072,000.80
  4. Step 4: Simplify right side
    141,737,216.80x = 16,385,956,329,899,058
  5. Step 5: Solve for x
    x = 16,385,956,329,899,058/141,737,216.80
  6. Step 6: Final answer
    x = 115,608,001.20

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1.5x scale

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.