Home / 150,111,519.18-225,312,525.42-72,443,098.38

Finding the Fourth Proportional to 150,111,519.18, 225,312,525.42 and 72,443,098.38

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Solution

The fourth proportional to 150,111,519.18, 225,312,525.42 and 72,443,098.38 is: 108,734,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,111,519.18 : 225,312,525.42 = 72,443,098.38 : x
  2. Step 2: Convert to fraction form
    150,111,519.18/225,312,525.42 = 72,443,098.38/x
  3. Step 3: Cross multiply
    150,111,519.18x = 225,312,525.42 × 72,443,098.38
  4. Step 4: Simplify right side
    150,111,519.18x = 16,322,337,445,247,308
  5. Step 5: Solve for x
    x = 16,322,337,445,247,308/150,111,519.18
  6. Step 6: Final answer
    x = 108,734,742.91

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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.