Home / 99,742,909.20-149,614,363.80-95,491,381.20

Finding the Fourth Proportional to 99,742,909.20, 149,614,363.80 and 95,491,381.20

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Solution

The fourth proportional to 99,742,909.20, 149,614,363.80 and 95,491,381.20 is: 143,237,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742,909.20 : 149,614,363.80 = 95,491,381.20 : x
  2. Step 2: Convert to fraction form
    99,742,909.20/149,614,363.80 = 95,491,381.20/x
  3. Step 3: Cross multiply
    99,742,909.20x = 149,614,363.80 × 95,491,381.20
  4. Step 4: Simplify right side
    99,742,909.20x = 14,286,882,246,621,282
  5. Step 5: Solve for x
    x = 14,286,882,246,621,282/99,742,909.20
  6. Step 6: Final answer
    x = 143,237,071.80

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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.