Home / 215,263,307.60-322,995,739.80-94,079,013.20

Finding the Fourth Proportional to 215,263,307.60, 322,995,739.80 and 94,079,013.20

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Solution

The fourth proportional to 215,263,307.60, 322,995,739.80 and 94,079,013.20 is: 141,162,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,263,307.60 : 322,995,739.80 = 94,079,013.20 : x
  2. Step 2: Convert to fraction form
    215,263,307.60/322,995,739.80 = 94,079,013.20/x
  3. Step 3: Cross multiply
    215,263,307.60x = 322,995,739.80 × 94,079,013.20
  4. Step 4: Simplify right side
    215,263,307.60x = 30,387,120,468,187,968
  5. Step 5: Solve for x
    x = 30,387,120,468,187,968/215,263,307.60
  6. Step 6: Final answer
    x = 141,162,564.15

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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.