Home / 107,585,716.80-161,189,618.40-88,312,123.20

Finding the Fourth Proportional to 107,585,716.80, 161,189,618.40 and 88,312,123.20

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Solution

The fourth proportional to 107,585,716.80, 161,189,618.40 and 88,312,123.20 is: 132,313,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,585,716.80 : 161,189,618.40 = 88,312,123.20 : x
  2. Step 2: Convert to fraction form
    107,585,716.80/161,189,618.40 = 88,312,123.20/x
  3. Step 3: Cross multiply
    107,585,716.80x = 161,189,618.40 × 88,312,123.20
  4. Step 4: Simplify right side
    107,585,716.80x = 14,234,997,438,701,788
  5. Step 5: Solve for x
    x = 14,234,997,438,701,788/107,585,716.80
  6. Step 6: Final answer
    x = 132,313,078.93

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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.