Home / 137,109,701.23-189,214,869.05-75,230,023.39

Finding the Fourth Proportional to 137,109,701.23, 189,214,869.05 and 75,230,023.39

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Solution

The fourth proportional to 137,109,701.23, 189,214,869.05 and 75,230,023.39 is: 103,819,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,109,701.23 : 189,214,869.05 = 75,230,023.39 : x
  2. Step 2: Convert to fraction form
    137,109,701.23/189,214,869.05 = 75,230,023.39/x
  3. Step 3: Cross multiply
    137,109,701.23x = 189,214,869.05 × 75,230,023.39
  4. Step 4: Simplify right side
    137,109,701.23x = 14,234,639,024,367,288
  5. Step 5: Solve for x
    x = 14,234,639,024,367,288/137,109,701.23
  6. Step 6: Final answer
    x = 103,819,342.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.