Home / 154,559,025.40-231,838,538.10-82,895,409.40

Finding the Fourth Proportional to 154,559,025.40, 231,838,538.10 and 82,895,409.40

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Solution

The fourth proportional to 154,559,025.40, 231,838,538.10 and 82,895,409.40 is: 124,343,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559,025.40 : 231,838,538.10 = 82,895,409.40 : x
  2. Step 2: Convert to fraction form
    154,559,025.40/231,838,538.10 = 82,895,409.40/x
  3. Step 3: Cross multiply
    154,559,025.40x = 231,838,538.10 × 82,895,409.40
  4. Step 4: Simplify right side
    154,559,025.40x = 19,218,350,530,497,000
  5. Step 5: Solve for x
    x = 19,218,350,530,497,000/154,559,025.40
  6. Step 6: Final answer
    x = 124,343,114.10

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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.