Home / 139,913,784.27-209,897,576.51-53,645,462.92

Finding the Fourth Proportional to 139,913,784.27, 209,897,576.51 and 53,645,462.92

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Solution

The fourth proportional to 139,913,784.27, 209,897,576.51 and 53,645,462.92 is: 80,478,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,913,784.27 : 209,897,576.51 = 53,645,462.92 : x
  2. Step 2: Convert to fraction form
    139,913,784.27/209,897,576.51 = 53,645,462.92/x
  3. Step 3: Cross multiply
    139,913,784.27x = 209,897,576.51 × 53,645,462.92
  4. Step 4: Simplify right side
    139,913,784.27x = 11,260,052,656,478,748
  5. Step 5: Solve for x
    x = 11,260,052,656,478,748/139,913,784.27
  6. Step 6: Final answer
    x = 80,478,508.36

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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.