Home / 72,433,156.80-108,612,410.40-26,971,550.40

Finding the Fourth Proportional to 72,433,156.80, 108,612,410.40 and 26,971,550.40

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Solution

The fourth proportional to 72,433,156.80, 108,612,410.40 and 26,971,550.40 is: 40,443,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433,156.80 : 108,612,410.40 = 26,971,550.40 : x
  2. Step 2: Convert to fraction form
    72,433,156.80/108,612,410.40 = 26,971,550.40/x
  3. Step 3: Cross multiply
    72,433,156.80x = 108,612,410.40 × 26,971,550.40
  4. Step 4: Simplify right side
    72,433,156.80x = 2,929,445,101,169,084
  5. Step 5: Solve for x
    x = 2,929,445,101,169,084/72,433,156.80
  6. Step 6: Final answer
    x = 40,443,427.16

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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.