Home / 260,729,725.80-390,646,691.10-124,120,957.80

Finding the Fourth Proportional to 260,729,725.80, 390,646,691.10 and 124,120,957.80

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Solution

The fourth proportional to 260,729,725.80, 390,646,691.10 and 124,120,957.80 is: 185,968,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,729,725.80 : 390,646,691.10 = 124,120,957.80 : x
  2. Step 2: Convert to fraction form
    260,729,725.80/390,646,691.10 = 124,120,957.80/x
  3. Step 3: Cross multiply
    260,729,725.80x = 390,646,691.10 × 124,120,957.80
  4. Step 4: Simplify right side
    260,729,725.80x = 48,487,441,460,732,736
  5. Step 5: Solve for x
    x = 48,487,441,460,732,736/260,729,725.80
  6. Step 6: Final answer
    x = 185,968,214.07

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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.