Home / 189,613,516.09-284,420,274.82-53,298,899.59

Finding the Fourth Proportional to 189,613,516.09, 284,420,274.82 and 53,298,899.59

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Solution

The fourth proportional to 189,613,516.09, 284,420,274.82 and 53,298,899.59 is: 79,948,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,613,516.09 : 284,420,274.82 = 53,298,899.59 : x
  2. Step 2: Convert to fraction form
    189,613,516.09/284,420,274.82 = 53,298,899.59/x
  3. Step 3: Cross multiply
    189,613,516.09x = 284,420,274.82 × 53,298,899.59
  4. Step 4: Simplify right side
    189,613,516.09x = 15,159,287,668,991,386
  5. Step 5: Solve for x
    x = 15,159,287,668,991,386/189,613,516.09
  6. Step 6: Final answer
    x = 79,948,349.58

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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.