Home / 96,771,123.40-145,062,206.70-86,567,456.20

Finding the Fourth Proportional to 96,771,123.40, 145,062,206.70 and 86,567,456.20

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Solution

The fourth proportional to 96,771,123.40, 145,062,206.70 and 86,567,456.20 is: 129,766,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,771,123.40 : 145,062,206.70 = 86,567,456.20 : x
  2. Step 2: Convert to fraction form
    96,771,123.40/145,062,206.70 = 86,567,456.20/x
  3. Step 3: Cross multiply
    96,771,123.40x = 145,062,206.70 × 86,567,456.20
  4. Step 4: Simplify right side
    96,771,123.40x = 12,557,666,224,777,596
  5. Step 5: Solve for x
    x = 12,557,666,224,777,596/96,771,123.40
  6. Step 6: Final answer
    x = 129,766,667.82

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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.