Home / 99,290,672.10-148,936,008.15-48,272,336.10

Finding the Fourth Proportional to 99,290,672.10, 148,936,008.15 and 48,272,336.10

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Solution

The fourth proportional to 99,290,672.10, 148,936,008.15 and 48,272,336.10 is: 72,408,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,290,672.10 : 148,936,008.15 = 48,272,336.10 : x
  2. Step 2: Convert to fraction form
    99,290,672.10/148,936,008.15 = 48,272,336.10/x
  3. Step 3: Cross multiply
    99,290,672.10x = 148,936,008.15 × 48,272,336.10
  4. Step 4: Simplify right side
    99,290,672.10x = 7,189,489,042,809,140
  5. Step 5: Solve for x
    x = 7,189,489,042,809,140/99,290,672.10
  6. Step 6: Final answer
    x = 72,408,504.15

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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.