Home / 72,433,164.80-108,612,422.40-26,971,558.40

Finding the Fourth Proportional to 72,433,164.80, 108,612,422.40 and 26,971,558.40

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Solution

The fourth proportional to 72,433,164.80, 108,612,422.40 and 26,971,558.40 is: 40,443,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433,164.80 : 108,612,422.40 = 26,971,558.40 : x
  2. Step 2: Convert to fraction form
    72,433,164.80/108,612,422.40 = 26,971,558.40/x
  3. Step 3: Cross multiply
    72,433,164.80x = 108,612,422.40 × 26,971,558.40
  4. Step 4: Simplify right side
    72,433,164.80x = 2,929,446,293,727,068
  5. Step 5: Solve for x
    x = 2,929,446,293,727,068/72,433,164.80
  6. Step 6: Final answer
    x = 40,443,439.16

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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.