Home / 250,209,097.20-375,313,645.80-77,703,348.60

Finding the Fourth Proportional to 250,209,097.20, 375,313,645.80 and 77,703,348.60

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Solution

The fourth proportional to 250,209,097.20, 375,313,645.80 and 77,703,348.60 is: 116,555,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,209,097.20 : 375,313,645.80 = 77,703,348.60 : x
  2. Step 2: Convert to fraction form
    250,209,097.20/375,313,645.80 = 77,703,348.60/x
  3. Step 3: Cross multiply
    250,209,097.20x = 375,313,645.80 × 77,703,348.60
  4. Step 4: Simplify right side
    250,209,097.20x = 29,163,127,053,934,324
  5. Step 5: Solve for x
    x = 29,163,127,053,934,324/250,209,097.20
  6. Step 6: Final answer
    x = 116,555,022.90

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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.