Home / 55,120,848.30-82,681,272.45-38,681,606.70

Finding the Fourth Proportional to 55,120,848.30, 82,681,272.45 and 38,681,606.70

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Solution

The fourth proportional to 55,120,848.30, 82,681,272.45 and 38,681,606.70 is: 58,022,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120,848.30 : 82,681,272.45 = 38,681,606.70 : x
  2. Step 2: Convert to fraction form
    55,120,848.30/82,681,272.45 = 38,681,606.70/x
  3. Step 3: Cross multiply
    55,120,848.30x = 82,681,272.45 × 38,681,606.70
  4. Step 4: Simplify right side
    55,120,848.30x = 3,198,244,462,366,446
  5. Step 5: Solve for x
    x = 3,198,244,462,366,446/55,120,848.30
  6. Step 6: Final answer
    x = 58,022,410.05

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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.