Home / 105,768,800.10-158,653,200.15-87,593,517.90

Finding the Fourth Proportional to 105,768,800.10, 158,653,200.15 and 87,593,517.90

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Solution

The fourth proportional to 105,768,800.10, 158,653,200.15 and 87,593,517.90 is: 131,390,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,768,800.10 : 158,653,200.15 = 87,593,517.90 : x
  2. Step 2: Convert to fraction form
    105,768,800.10/158,653,200.15 = 87,593,517.90/x
  3. Step 3: Cross multiply
    105,768,800.10x = 158,653,200.15 × 87,593,517.90
  4. Step 4: Simplify right side
    105,768,800.10x = 13,896,991,927,231,310
  5. Step 5: Solve for x
    x = 13,896,991,927,231,310/105,768,800.10
  6. Step 6: Final answer
    x = 131,390,276.85

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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.