Home / 141,927,311.20-212,890,966.80-61,148,279.20

Finding the Fourth Proportional to 141,927,311.20, 212,890,966.80 and 61,148,279.20

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Solution

The fourth proportional to 141,927,311.20, 212,890,966.80 and 61,148,279.20 is: 91,722,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927,311.20 : 212,890,966.80 = 61,148,279.20 : x
  2. Step 2: Convert to fraction form
    141,927,311.20/212,890,966.80 = 61,148,279.20/x
  3. Step 3: Cross multiply
    141,927,311.20x = 212,890,966.80 × 61,148,279.20
  4. Step 4: Simplify right side
    141,927,311.20x = 13,017,916,277,044,332
  5. Step 5: Solve for x
    x = 13,017,916,277,044,332/141,927,311.20
  6. Step 6: Final answer
    x = 91,722,418.80

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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.