Home / 129,461,221.60-194,191,832.40-116,472,191.20

Finding the Fourth Proportional to 129,461,221.60, 194,191,832.40 and 116,472,191.20

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Solution

The fourth proportional to 129,461,221.60, 194,191,832.40 and 116,472,191.20 is: 174,708,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,461,221.60 : 194,191,832.40 = 116,472,191.20 : x
  2. Step 2: Convert to fraction form
    129,461,221.60/194,191,832.40 = 116,472,191.20/x
  3. Step 3: Cross multiply
    129,461,221.60x = 194,191,832.40 × 116,472,191.20
  4. Step 4: Simplify right side
    129,461,221.60x = 22,617,948,232,771,156
  5. Step 5: Solve for x
    x = 22,617,948,232,771,156/129,461,221.60
  6. Step 6: Final answer
    x = 174,708,286.80

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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.