Home / 268,336,878.20-402,292,740.90-147,168,330.20

Finding the Fourth Proportional to 268,336,878.20, 402,292,740.90 and 147,168,330.20

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Solution

The fourth proportional to 268,336,878.20, 402,292,740.90 and 147,168,330.20 is: 220,635,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336,878.20 : 402,292,740.90 = 147,168,330.20 : x
  2. Step 2: Convert to fraction form
    268,336,878.20/402,292,740.90 = 147,168,330.20/x
  3. Step 3: Cross multiply
    268,336,878.20x = 402,292,740.90 × 147,168,330.20
  4. Step 4: Simplify right side
    268,336,878.20x = 59,204,750,929,834,240
  5. Step 5: Solve for x
    x = 59,204,750,929,834,240/268,336,878.20
  6. Step 6: Final answer
    x = 220,635,908.59

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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.