Home / 268,624,519.86-402,891,705.72-74,555,651.10

Finding the Fourth Proportional to 268,624,519.86, 402,891,705.72 and 74,555,651.10

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Solution

The fourth proportional to 268,624,519.86, 402,891,705.72 and 74,555,651.10 is: 111,820,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,624,519.86 : 402,891,705.72 = 74,555,651.10 : x
  2. Step 2: Convert to fraction form
    268,624,519.86/402,891,705.72 = 74,555,651.10/x
  3. Step 3: Cross multiply
    268,624,519.86x = 402,891,705.72 × 74,555,651.10
  4. Step 4: Simplify right side
    268,624,519.86x = 30,037,853,442,744,196
  5. Step 5: Solve for x
    x = 30,037,853,442,744,196/268,624,519.86
  6. Step 6: Final answer
    x = 111,820,966.52

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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.