Home / 486,833,181.12-730,257,775.56-137,087,661.60

Finding the Fourth Proportional to 486,833,181.12, 730,257,775.56 and 137,087,661.60

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Solution

The fourth proportional to 486,833,181.12, 730,257,775.56 and 137,087,661.60 is: 205,633,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,833,181.12 : 730,257,775.56 = 137,087,661.60 : x
  2. Step 2: Convert to fraction form
    486,833,181.12/730,257,775.56 = 137,087,661.60/x
  3. Step 3: Cross multiply
    486,833,181.12x = 730,257,775.56 × 137,087,661.60
  4. Step 4: Simplify right side
    486,833,181.12x = 100,109,330,816,738,016
  5. Step 5: Solve for x
    x = 100,109,330,816,738,016/486,833,181.12
  6. Step 6: Final answer
    x = 205,633,746.22

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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.