Home / 125,572,719.45-187,990,743.87-88,051,229.36

Finding the Fourth Proportional to 125,572,719.45, 187,990,743.87 and 88,051,229.36

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Solution

The fourth proportional to 125,572,719.45, 187,990,743.87 and 88,051,229.36 is: 131,818,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,572,719.45 : 187,990,743.87 = 88,051,229.36 : x
  2. Step 2: Convert to fraction form
    125,572,719.45/187,990,743.87 = 88,051,229.36/x
  3. Step 3: Cross multiply
    125,572,719.45x = 187,990,743.87 × 88,051,229.36
  4. Step 4: Simplify right side
    125,572,719.45x = 16,552,816,106,054,384
  5. Step 5: Solve for x
    x = 16,552,816,106,054,384/125,572,719.45
  6. Step 6: Final answer
    x = 131,818,568.38

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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.