Home / 72,590,411.20-108,885,616.80-27,146,300.80

Finding the Fourth Proportional to 72,590,411.20, 108,885,616.80 and 27,146,300.80

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Solution

The fourth proportional to 72,590,411.20, 108,885,616.80 and 27,146,300.80 is: 40,719,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,590,411.20 : 108,885,616.80 = 27,146,300.80 : x
  2. Step 2: Convert to fraction form
    72,590,411.20/108,885,616.80 = 27,146,300.80/x
  3. Step 3: Cross multiply
    72,590,411.20x = 108,885,616.80 × 27,146,300.80
  4. Step 4: Simplify right side
    72,590,411.20x = 2,955,841,706,446,333.50
  5. Step 5: Solve for x
    x = 2,955,841,706,446,333.50/72,590,411.20
  6. Step 6: Final answer
    x = 40,719,451.20

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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.