Home / 100,851,439.32-151,324,398.18-49,705,576.92

Finding the Fourth Proportional to 100,851,439.32, 151,324,398.18 and 49,705,576.92

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Solution

The fourth proportional to 100,851,439.32, 151,324,398.18 and 49,705,576.92 is: 74,581,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851,439.32 : 151,324,398.18 = 49,705,576.92 : x
  2. Step 2: Convert to fraction form
    100,851,439.32/151,324,398.18 = 49,705,576.92/x
  3. Step 3: Cross multiply
    100,851,439.32x = 151,324,398.18 × 49,705,576.92
  4. Step 4: Simplify right side
    100,851,439.32x = 7,521,666,513,608,699
  5. Step 5: Solve for x
    x = 7,521,666,513,608,699/100,851,439.32
  6. Step 6: Final answer
    x = 74,581,647.66

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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.