Home / 52,771,425.60-79,167,082.74-19,991,813.04

Finding the Fourth Proportional to 52,771,425.60, 79,167,082.74 and 19,991,813.04

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Solution

The fourth proportional to 52,771,425.60, 79,167,082.74 and 19,991,813.04 is: 29,991,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771,425.60 : 79,167,082.74 = 19,991,813.04 : x
  2. Step 2: Convert to fraction form
    52,771,425.60/79,167,082.74 = 19,991,813.04/x
  3. Step 3: Cross multiply
    52,771,425.60x = 79,167,082.74 × 19,991,813.04
  4. Step 4: Simplify right side
    52,771,425.60x = 1,582,693,517,060,290.75
  5. Step 5: Solve for x
    x = 1,582,693,517,060,290.75/52,771,425.60
  6. Step 6: Final answer
    x = 29,991,486.85

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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.