Home / 210,037,060.70-315,055,591.05-88,852,766.30

Finding the Fourth Proportional to 210,037,060.70, 315,055,591.05 and 88,852,766.30

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Solution

The fourth proportional to 210,037,060.70, 315,055,591.05 and 88,852,766.30 is: 133,279,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,037,060.70 : 315,055,591.05 = 88,852,766.30 : x
  2. Step 2: Convert to fraction form
    210,037,060.70/315,055,591.05 = 88,852,766.30/x
  3. Step 3: Cross multiply
    210,037,060.70x = 315,055,591.05 × 88,852,766.30
  4. Step 4: Simplify right side
    210,037,060.70x = 27,993,560,803,074,020
  5. Step 5: Solve for x
    x = 27,993,560,803,074,020/210,037,060.70
  6. Step 6: Final answer
    x = 133,279,149.45

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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.