Home / 99,649,102.80-149,473,654.20-73,821,070.20

Finding the Fourth Proportional to 99,649,102.80, 149,473,654.20 and 73,821,070.20

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Solution

The fourth proportional to 99,649,102.80, 149,473,654.20 and 73,821,070.20 is: 110,731,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,102.80 : 149,473,654.20 = 73,821,070.20 : x
  2. Step 2: Convert to fraction form
    99,649,102.80/149,473,654.20 = 73,821,070.20/x
  3. Step 3: Cross multiply
    99,649,102.80x = 149,473,654.20 × 73,821,070.20
  4. Step 4: Simplify right side
    99,649,102.80x = 11,034,305,119,748,724
  5. Step 5: Solve for x
    x = 11,034,305,119,748,724/99,649,102.80
  6. Step 6: Final answer
    x = 110,731,605.30

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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.