Home / 268,281,387.20-402,421,578.24-84,062,966.24

Finding the Fourth Proportional to 268,281,387.20, 402,421,578.24 and 84,062,966.24

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Solution

The fourth proportional to 268,281,387.20, 402,421,578.24 and 84,062,966.24 is: 126,094,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281,387.20 : 402,421,578.24 = 84,062,966.24 : x
  2. Step 2: Convert to fraction form
    268,281,387.20/402,421,578.24 = 84,062,966.24/x
  3. Step 3: Cross multiply
    268,281,387.20x = 402,421,578.24 × 84,062,966.24
  4. Step 4: Simplify right side
    268,281,387.20x = 33,828,751,545,836,636
  5. Step 5: Solve for x
    x = 33,828,751,545,836,636/268,281,387.20
  6. Step 6: Final answer
    x = 126,094,291.89

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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.