Home / 72,291,995.10-108,437,301.45-17,704,820.70

Finding the Fourth Proportional to 72,291,995.10, 108,437,301.45 and 17,704,820.70

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Solution

The fourth proportional to 72,291,995.10, 108,437,301.45 and 17,704,820.70 is: 26,557,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,291,995.10 : 108,437,301.45 = 17,704,820.70 : x
  2. Step 2: Convert to fraction form
    72,291,995.10/108,437,301.45 = 17,704,820.70/x
  3. Step 3: Cross multiply
    72,291,995.10x = 108,437,301.45 × 17,704,820.70
  4. Step 4: Simplify right side
    72,291,995.10x = 1,919,862,979,364,100
  5. Step 5: Solve for x
    x = 1,919,862,979,364,100/72,291,995.10
  6. Step 6: Final answer
    x = 26,557,061.77

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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.