Home / 105,699,893.30-158,549,839.95-75,088,891.70

Finding the Fourth Proportional to 105,699,893.30, 158,549,839.95 and 75,088,891.70

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Solution

The fourth proportional to 105,699,893.30, 158,549,839.95 and 75,088,891.70 is: 112,633,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,699,893.30 : 158,549,839.95 = 75,088,891.70 : x
  2. Step 2: Convert to fraction form
    105,699,893.30/158,549,839.95 = 75,088,891.70/x
  3. Step 3: Cross multiply
    105,699,893.30x = 158,549,839.95 × 75,088,891.70
  4. Step 4: Simplify right side
    105,699,893.30x = 11,905,331,761,057,882
  5. Step 5: Solve for x
    x = 11,905,331,761,057,882/105,699,893.30
  6. Step 6: Final answer
    x = 112,633,337.55

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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.