Home / 70,942,187.52-97,900,175.48-38,347,139.52

Finding the Fourth Proportional to 70,942,187.52, 97,900,175.48 and 38,347,139.52

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Solution

The fourth proportional to 70,942,187.52, 97,900,175.48 and 38,347,139.52 is: 52,919,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942,187.52 : 97,900,175.48 = 38,347,139.52 : x
  2. Step 2: Convert to fraction form
    70,942,187.52/97,900,175.48 = 38,347,139.52/x
  3. Step 3: Cross multiply
    70,942,187.52x = 97,900,175.48 × 38,347,139.52
  4. Step 4: Simplify right side
    70,942,187.52x = 3,754,191,687,972,307.50
  5. Step 5: Solve for x
    x = 3,754,191,687,972,307.50/70,942,187.52
  6. Step 6: Final answer
    x = 52,919,029.13

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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.