Home / 70,041,067.22-96,655,663.82-38,680,443.16

Finding the Fourth Proportional to 70,041,067.22, 96,655,663.82 and 38,680,443.16

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Solution

The fourth proportional to 70,041,067.22, 96,655,663.82 and 38,680,443.16 is: 53,378,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041,067.22 : 96,655,663.82 = 38,680,443.16 : x
  2. Step 2: Convert to fraction form
    70,041,067.22/96,655,663.82 = 38,680,443.16/x
  3. Step 3: Cross multiply
    70,041,067.22x = 96,655,663.82 × 38,680,443.16
  4. Step 4: Simplify right side
    70,041,067.22x = 3,738,683,910,481,578
  5. Step 5: Solve for x
    x = 3,738,683,910,481,578/70,041,067.22
  6. Step 6: Final answer
    x = 53,378,454.37

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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.