Home / 99,663,036.20-149,494,554.30-58,680,405.80

Finding the Fourth Proportional to 99,663,036.20, 149,494,554.30 and 58,680,405.80

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Solution

The fourth proportional to 99,663,036.20, 149,494,554.30 and 58,680,405.80 is: 88,020,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663,036.20 : 149,494,554.30 = 58,680,405.80 : x
  2. Step 2: Convert to fraction form
    99,663,036.20/149,494,554.30 = 58,680,405.80/x
  3. Step 3: Cross multiply
    99,663,036.20x = 149,494,554.30 × 58,680,405.80
  4. Step 4: Simplify right side
    99,663,036.20x = 8,772,401,111,214,135
  5. Step 5: Solve for x
    x = 8,772,401,111,214,135/99,663,036.20
  6. Step 6: Final answer
    x = 88,020,608.70

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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.