Home / 291,337,502.38-402,046,185.63-165,889,800.52

Finding the Fourth Proportional to 291,337,502.38, 402,046,185.63 and 165,889,800.52

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Solution

The fourth proportional to 291,337,502.38, 402,046,185.63 and 165,889,800.52 is: 228,928,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,337,502.38 : 402,046,185.63 = 165,889,800.52 : x
  2. Step 2: Convert to fraction form
    291,337,502.38/402,046,185.63 = 165,889,800.52/x
  3. Step 3: Cross multiply
    291,337,502.38x = 402,046,185.63 × 165,889,800.52
  4. Step 4: Simplify right side
    291,337,502.38x = 66,695,361,533,987,592
  5. Step 5: Solve for x
    x = 66,695,361,533,987,592/291,337,502.38
  6. Step 6: Final answer
    x = 228,928,170.90

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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.