Home / 120,170,045.32-165,834,706.50-65,165,887.24

Finding the Fourth Proportional to 120,170,045.32, 165,834,706.50 and 65,165,887.24

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Solution

The fourth proportional to 120,170,045.32, 165,834,706.50 and 65,165,887.24 is: 89,928,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,170,045.32 : 165,834,706.50 = 65,165,887.24 : x
  2. Step 2: Convert to fraction form
    120,170,045.32/165,834,706.50 = 65,165,887.24/x
  3. Step 3: Cross multiply
    120,170,045.32x = 165,834,706.50 × 65,165,887.24
  4. Step 4: Simplify right side
    120,170,045.32x = 10,806,765,784,257,496
  5. Step 5: Solve for x
    x = 10,806,765,784,257,496/120,170,045.32
  6. Step 6: Final answer
    x = 89,928,948.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.