Home / 125,193,379.32-172,787,551.56-69,456,756.90

Finding the Fourth Proportional to 125,193,379.32, 172,787,551.56 and 69,456,756.90

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Solution

The fourth proportional to 125,193,379.32, 172,787,551.56 and 69,456,756.90 is: 95,861,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,193,379.32 : 172,787,551.56 = 69,456,756.90 : x
  2. Step 2: Convert to fraction form
    125,193,379.32/172,787,551.56 = 69,456,756.90/x
  3. Step 3: Cross multiply
    125,193,379.32x = 172,787,551.56 × 69,456,756.90
  4. Step 4: Simplify right side
    125,193,379.32x = 12,001,262,964,049,136
  5. Step 5: Solve for x
    x = 12,001,262,964,049,136/125,193,379.32
  6. Step 6: Final answer
    x = 95,861,802.19

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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.