Home / 245,053,685.60-367,132,630.80-199,368,130.40

Finding the Fourth Proportional to 245,053,685.60, 367,132,630.80 and 199,368,130.40

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Solution

The fourth proportional to 245,053,685.60, 367,132,630.80 and 199,368,130.40 is: 298,687,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,053,685.60 : 367,132,630.80 = 199,368,130.40 : x
  2. Step 2: Convert to fraction form
    245,053,685.60/367,132,630.80 = 199,368,130.40/x
  3. Step 3: Cross multiply
    245,053,685.60x = 367,132,630.80 × 199,368,130.40
  4. Step 4: Simplify right side
    245,053,685.60x = 73,194,546,211,429,456
  5. Step 5: Solve for x
    x = 73,194,546,211,429,456/245,053,685.60
  6. Step 6: Final answer
    x = 298,687,799.91

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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.