Home / 165,786,452.20-248,679,678.30-155,700,461.80

Finding the Fourth Proportional to 165,786,452.20, 248,679,678.30 and 155,700,461.80

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Solution

The fourth proportional to 165,786,452.20, 248,679,678.30 and 155,700,461.80 is: 233,550,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786,452.20 : 248,679,678.30 = 155,700,461.80 : x
  2. Step 2: Convert to fraction form
    165,786,452.20/248,679,678.30 = 155,700,461.80/x
  3. Step 3: Cross multiply
    165,786,452.20x = 248,679,678.30 × 155,700,461.80
  4. Step 4: Simplify right side
    165,786,452.20x = 38,719,540,751,585,440
  5. Step 5: Solve for x
    x = 38,719,540,751,585,440/165,786,452.20
  6. Step 6: Final answer
    x = 233,550,692.70

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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.