Home / 99,663,031.20-149,494,546.80-58,680,400.80

Finding the Fourth Proportional to 99,663,031.20, 149,494,546.80 and 58,680,400.80

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Solution

The fourth proportional to 99,663,031.20, 149,494,546.80 and 58,680,400.80 is: 88,020,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663,031.20 : 149,494,546.80 = 58,680,400.80 : x
  2. Step 2: Convert to fraction form
    99,663,031.20/149,494,546.80 = 58,680,400.80/x
  3. Step 3: Cross multiply
    99,663,031.20x = 149,494,546.80 × 58,680,400.80
  4. Step 4: Simplify right side
    99,663,031.20x = 8,772,399,923,638,358
  5. Step 5: Solve for x
    x = 8,772,399,923,638,358/99,663,031.20
  6. Step 6: Final answer
    x = 88,020,601.20

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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.