Home / 150,111,521.16-225,312,528.40-72,443,100.36

Finding the Fourth Proportional to 150,111,521.16, 225,312,528.40 and 72,443,100.36

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Solution

The fourth proportional to 150,111,521.16, 225,312,528.40 and 72,443,100.36 is: 108,734,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,111,521.16 : 225,312,528.40 = 72,443,100.36 : x
  2. Step 2: Convert to fraction form
    150,111,521.16/225,312,528.40 = 72,443,100.36/x
  3. Step 3: Cross multiply
    150,111,521.16x = 225,312,528.40 × 72,443,100.36
  4. Step 4: Simplify right side
    150,111,521.16x = 16,322,338,107,246,550
  5. Step 5: Solve for x
    x = 16,322,338,107,246,550/150,111,521.16
  6. Step 6: Final answer
    x = 108,734,745.88

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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.