Home / 268,336,871.70-402,292,731.15-147,168,323.70

Finding the Fourth Proportional to 268,336,871.70, 402,292,731.15 and 147,168,323.70

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Solution

The fourth proportional to 268,336,871.70, 402,292,731.15 and 147,168,323.70 is: 220,635,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,336,871.70 : 402,292,731.15 = 147,168,323.70 : x
  2. Step 2: Convert to fraction form
    268,336,871.70/402,292,731.15 = 147,168,323.70/x
  3. Step 3: Cross multiply
    268,336,871.70x = 402,292,731.15 × 147,168,323.70
  4. Step 4: Simplify right side
    268,336,871.70x = 59,204,746,880,040,264
  5. Step 5: Solve for x
    x = 59,204,746,880,040,264/268,336,871.70
  6. Step 6: Final answer
    x = 220,635,898.84

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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.