Home / 71,266,520.34-98,348,067.81-38,671,472.34

Finding the Fourth Proportional to 71,266,520.34, 98,348,067.81 and 38,671,472.34

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Solution

The fourth proportional to 71,266,520.34, 98,348,067.81 and 38,671,472.34 is: 53,366,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266,520.34 : 98,348,067.81 = 38,671,472.34 : x
  2. Step 2: Convert to fraction form
    71,266,520.34/98,348,067.81 = 38,671,472.34/x
  3. Step 3: Cross multiply
    71,266,520.34x = 98,348,067.81 × 38,671,472.34
  4. Step 4: Simplify right side
    71,266,520.34x = 3,803,264,584,006,860
  5. Step 5: Solve for x
    x = 3,803,264,584,006,860/71,266,520.34
  6. Step 6: Final answer
    x = 53,366,778.20

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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.