Home / 189,613,521.47-284,420,282.88-53,298,904.97

Finding the Fourth Proportional to 189,613,521.47, 284,420,282.88 and 53,298,904.97

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Solution

The fourth proportional to 189,613,521.47, 284,420,282.88 and 53,298,904.97 is: 79,948,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,613,521.47 : 284,420,282.88 = 53,298,904.97 : x
  2. Step 2: Convert to fraction form
    189,613,521.47/284,420,282.88 = 53,298,904.97/x
  3. Step 3: Cross multiply
    189,613,521.47x = 284,420,282.88 × 53,298,904.97
  4. Step 4: Simplify right side
    189,613,521.47x = 15,159,289,627,339,538
  5. Step 5: Solve for x
    x = 15,159,289,627,339,538/189,613,521.47
  6. Step 6: Final answer
    x = 79,948,357.64

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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.