Home / 217,098,140.32-299,598,354.84-117,980,855.20

Finding the Fourth Proportional to 217,098,140.32, 299,598,354.84 and 117,980,855.20

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Solution

The fourth proportional to 217,098,140.32, 299,598,354.84 and 117,980,855.20 is: 162,815,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,098,140.32 : 299,598,354.84 = 117,980,855.20 : x
  2. Step 2: Convert to fraction form
    217,098,140.32/299,598,354.84 = 117,980,855.20/x
  3. Step 3: Cross multiply
    217,098,140.32x = 299,598,354.84 × 117,980,855.20
  4. Step 4: Simplify right side
    217,098,140.32x = 35,346,870,120,536,256
  5. Step 5: Solve for x
    x = 35,346,870,120,536,256/217,098,140.32
  6. Step 6: Final answer
    x = 162,815,167.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.