Home / 83,232,008.20-124,848,012.30-73,154,312.20

Finding the Fourth Proportional to 83,232,008.20, 124,848,012.30 and 73,154,312.20

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Solution

The fourth proportional to 83,232,008.20, 124,848,012.30 and 73,154,312.20 is: 109,731,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,008.20 : 124,848,012.30 = 73,154,312.20 : x
  2. Step 2: Convert to fraction form
    83,232,008.20/124,848,012.30 = 73,154,312.20/x
  3. Step 3: Cross multiply
    83,232,008.20x = 124,848,012.30 × 73,154,312.20
  4. Step 4: Simplify right side
    83,232,008.20x = 9,133,170,469,343,640
  5. Step 5: Solve for x
    x = 9,133,170,469,343,640/83,232,008.20
  6. Step 6: Final answer
    x = 109,731,468.30

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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.