Home / 115,587,070.80-173,380,606.20-77,266,942.80

Finding the Fourth Proportional to 115,587,070.80, 173,380,606.20 and 77,266,942.80

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Solution

The fourth proportional to 115,587,070.80, 173,380,606.20 and 77,266,942.80 is: 115,900,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,587,070.80 : 173,380,606.20 = 77,266,942.80 : x
  2. Step 2: Convert to fraction form
    115,587,070.80/173,380,606.20 = 77,266,942.80/x
  3. Step 3: Cross multiply
    115,587,070.80x = 173,380,606.20 × 77,266,942.80
  4. Step 4: Simplify right side
    115,587,070.80x = 13,396,589,381,884,724
  5. Step 5: Solve for x
    x = 13,396,589,381,884,724/115,587,070.80
  6. Step 6: Final answer
    x = 115,900,414.20

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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.