Home / 91,392,787.48-126,122,037.44-51,699,470.12

Finding the Fourth Proportional to 91,392,787.48, 126,122,037.44 and 51,699,470.12

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Solution

The fourth proportional to 91,392,787.48, 126,122,037.44 and 51,699,470.12 is: 71,345,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,392,787.48 : 126,122,037.44 = 51,699,470.12 : x
  2. Step 2: Convert to fraction form
    91,392,787.48/126,122,037.44 = 51,699,470.12/x
  3. Step 3: Cross multiply
    91,392,787.48x = 126,122,037.44 × 51,699,470.12
  4. Step 4: Simplify right side
    91,392,787.48x = 6,520,442,506,102,801
  5. Step 5: Solve for x
    x = 6,520,442,506,102,801/91,392,787.48
  6. Step 6: Final answer
    x = 71,345,263.51

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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.