Home / 212,949,652.74-293,884,129.17-120,096,281.22

Finding the Fourth Proportional to 212,949,652.74, 293,884,129.17 and 120,096,281.22

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Solution

The fourth proportional to 212,949,652.74, 293,884,129.17 and 120,096,281.22 is: 165,740,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,949,652.74 : 293,884,129.17 = 120,096,281.22 : x
  2. Step 2: Convert to fraction form
    212,949,652.74/293,884,129.17 = 120,096,281.22/x
  3. Step 3: Cross multiply
    212,949,652.74x = 293,884,129.17 × 120,096,281.22
  4. Step 4: Simplify right side
    212,949,652.74x = 35,294,391,022,895,128
  5. Step 5: Solve for x
    x = 35,294,391,022,895,128/212,949,652.74
  6. Step 6: Final answer
    x = 165,740,542.75

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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.