Home / 125,303,189.07-172,915,795.38-69,545,338.56

Finding the Fourth Proportional to 125,303,189.07, 172,915,795.38 and 69,545,338.56

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Solution

The fourth proportional to 125,303,189.07, 172,915,795.38 and 69,545,338.56 is: 95,971,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303,189.07 : 172,915,795.38 = 69,545,338.56 : x
  2. Step 2: Convert to fraction form
    125,303,189.07/172,915,795.38 = 69,545,338.56/x
  3. Step 3: Cross multiply
    125,303,189.07x = 172,915,795.38 × 69,545,338.56
  4. Step 4: Simplify right side
    125,303,189.07x = 12,025,487,532,073,784
  5. Step 5: Solve for x
    x = 12,025,487,532,073,784/125,303,189.07
  6. Step 6: Final answer
    x = 95,971,121.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.