Home / 260,684,551-391,077,180.42-99,113,924.44

Finding the Fourth Proportional to 260,684,551, 391,077,180.42 and 99,113,924.44

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Solution

The fourth proportional to 260,684,551, 391,077,180.42 and 99,113,924.44 is: 148,690,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,551 : 391,077,180.42 = 99,113,924.44 : x
  2. Step 2: Convert to fraction form
    260,684,551/391,077,180.42 = 99,113,924.44/x
  3. Step 3: Cross multiply
    260,684,551x = 391,077,180.42 × 99,113,924.44
  4. Step 4: Simplify right side
    260,684,551x = 38,761,194,110,356,128
  5. Step 5: Solve for x
    x = 38,761,194,110,356,128/260,684,551
  6. Step 6: Final answer
    x = 148,690,031.54

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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.