Home / 260,684,550-391,077,178.92-99,113,923.44

Finding the Fourth Proportional to 260,684,550, 391,077,178.92 and 99,113,923.44

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Solution

The fourth proportional to 260,684,550, 391,077,178.92 and 99,113,923.44 is: 148,690,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,550 : 391,077,178.92 = 99,113,923.44 : x
  2. Step 2: Convert to fraction form
    260,684,550/391,077,178.92 = 99,113,923.44/x
  3. Step 3: Cross multiply
    260,684,550x = 391,077,178.92 × 99,113,923.44
  4. Step 4: Simplify right side
    260,684,550x = 38,761,193,570,608,064
  5. Step 5: Solve for x
    x = 38,761,193,570,608,064/260,684,550
  6. Step 6: Final answer
    x = 148,690,030.04

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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.