Home / 154,650,005.90-231,975,008.85-103,689,212.30

Finding the Fourth Proportional to 154,650,005.90, 231,975,008.85 and 103,689,212.30

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Solution

The fourth proportional to 154,650,005.90, 231,975,008.85 and 103,689,212.30 is: 155,533,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,650,005.90 : 231,975,008.85 = 103,689,212.30 : x
  2. Step 2: Convert to fraction form
    154,650,005.90/231,975,008.85 = 103,689,212.30/x
  3. Step 3: Cross multiply
    154,650,005.90x = 231,975,008.85 × 103,689,212.30
  4. Step 4: Simplify right side
    154,650,005.90x = 24,053,305,940,942,028
  5. Step 5: Solve for x
    x = 24,053,305,940,942,028/154,650,005.90
  6. Step 6: Final answer
    x = 155,533,818.45

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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.