Home / 137,446,518.52-189,671,315.34-75,566,406.52

Finding the Fourth Proportional to 137,446,518.52, 189,671,315.34 and 75,566,406.52

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Solution

The fourth proportional to 137,446,518.52, 189,671,315.34 and 75,566,406.52 is: 104,278,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,446,518.52 : 189,671,315.34 = 75,566,406.52 : x
  2. Step 2: Convert to fraction form
    137,446,518.52/189,671,315.34 = 75,566,406.52/x
  3. Step 3: Cross multiply
    137,446,518.52x = 189,671,315.34 × 75,566,406.52
  4. Step 4: Simplify right side
    137,446,518.52x = 14,332,779,720,165,552
  5. Step 5: Solve for x
    x = 14,332,779,720,165,552/137,446,518.52
  6. Step 6: Final answer
    x = 104,278,957.91

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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.