Home / 247,945,307.40-371,917,961.10-75,421,844.10

Finding the Fourth Proportional to 247,945,307.40, 371,917,961.10 and 75,421,844.10

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Solution

The fourth proportional to 247,945,307.40, 371,917,961.10 and 75,421,844.10 is: 113,132,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,945,307.40 : 371,917,961.10 = 75,421,844.10 : x
  2. Step 2: Convert to fraction form
    247,945,307.40/371,917,961.10 = 75,421,844.10/x
  3. Step 3: Cross multiply
    247,945,307.40x = 371,917,961.10 × 75,421,844.10
  4. Step 4: Simplify right side
    247,945,307.40x = 28,050,738,480,074,064
  5. Step 5: Solve for x
    x = 28,050,738,480,074,064/247,945,307.40
  6. Step 6: Final answer
    x = 113,132,766.15

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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.