Home / 65,949,101.35-91,009,468.31-37,691,002.88

Finding the Fourth Proportional to 65,949,101.35, 91,009,468.31 and 37,691,002.88

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Solution

The fourth proportional to 65,949,101.35, 91,009,468.31 and 37,691,002.88 is: 52,013,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949,101.35 : 91,009,468.31 = 37,691,002.88 : x
  2. Step 2: Convert to fraction form
    65,949,101.35/91,009,468.31 = 37,691,002.88/x
  3. Step 3: Cross multiply
    65,949,101.35x = 91,009,468.31 × 37,691,002.88
  4. Step 4: Simplify right side
    65,949,101.35x = 3,430,238,132,179,479
  5. Step 5: Solve for x
    x = 3,430,238,132,179,479/65,949,101.35
  6. Step 6: Final answer
    x = 52,013,417.35

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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.