Home / 71,218,213.40-106,827,320.10-25,763,605.40

Finding the Fourth Proportional to 71,218,213.40, 106,827,320.10 and 25,763,605.40

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Solution

The fourth proportional to 71,218,213.40, 106,827,320.10 and 25,763,605.40 is: 38,645,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218,213.40 : 106,827,320.10 = 25,763,605.40 : x
  2. Step 2: Convert to fraction form
    71,218,213.40/106,827,320.10 = 25,763,605.40/x
  3. Step 3: Cross multiply
    71,218,213.40x = 106,827,320.10 × 25,763,605.40
  4. Step 4: Simplify right side
    71,218,213.40x = 2,752,256,920,995,888
  5. Step 5: Solve for x
    x = 2,752,256,920,995,888/71,218,213.40
  6. Step 6: Final answer
    x = 38,645,408.10

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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.