Home / 189,613,521.97-284,420,283.63-53,298,905.47

Finding the Fourth Proportional to 189,613,521.97, 284,420,283.63 and 53,298,905.47

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Solution

The fourth proportional to 189,613,521.97, 284,420,283.63 and 53,298,905.47 is: 79,948,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,613,521.97 : 284,420,283.63 = 53,298,905.47 : x
  2. Step 2: Convert to fraction form
    189,613,521.97/284,420,283.63 = 53,298,905.47/x
  3. Step 3: Cross multiply
    189,613,521.97x = 284,420,283.63 × 53,298,905.47
  4. Step 4: Simplify right side
    189,613,521.97x = 15,159,289,809,523,858
  5. Step 5: Solve for x
    x = 15,159,289,809,523,858/189,613,521.97
  6. Step 6: Final answer
    x = 79,948,358.39

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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.