Home / 189,613,515.85-284,420,274.45-53,298,899.35

Finding the Fourth Proportional to 189,613,515.85, 284,420,274.45 and 53,298,899.35

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Solution

The fourth proportional to 189,613,515.85, 284,420,274.45 and 53,298,899.35 is: 79,948,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,613,515.85 : 284,420,274.45 = 53,298,899.35 : x
  2. Step 2: Convert to fraction form
    189,613,515.85/284,420,274.45 = 53,298,899.35/x
  3. Step 3: Cross multiply
    189,613,515.85x = 284,420,274.45 × 53,298,899.35
  4. Step 4: Simplify right side
    189,613,515.85x = 15,159,287,580,298,874
  5. Step 5: Solve for x
    x = 15,159,287,580,298,874/189,613,515.85
  6. Step 6: Final answer
    x = 79,948,349.21

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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.