Home / 154,464,117.90-231,696,176.85-81,652,764.30

Finding the Fourth Proportional to 154,464,117.90, 231,696,176.85 and 81,652,764.30

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Solution

The fourth proportional to 154,464,117.90, 231,696,176.85 and 81,652,764.30 is: 122,479,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,464,117.90 : 231,696,176.85 = 81,652,764.30 : x
  2. Step 2: Convert to fraction form
    154,464,117.90/231,696,176.85 = 81,652,764.30/x
  3. Step 3: Cross multiply
    154,464,117.90x = 231,696,176.85 × 81,652,764.30
  4. Step 4: Simplify right side
    154,464,117.90x = 18,918,633,317,544,164
  5. Step 5: Solve for x
    x = 18,918,633,317,544,164/154,464,117.90
  6. Step 6: Final answer
    x = 122,479,146.45

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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.