Home / 212,952,746.38-293,877,645.36-120,132,967.18

Finding the Fourth Proportional to 212,952,746.38, 293,877,645.36 and 120,132,967.18

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Solution

The fourth proportional to 212,952,746.38, 293,877,645.36 and 120,132,967.18 is: 165,785,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,952,746.38 : 293,877,645.36 = 120,132,967.18 : x
  2. Step 2: Convert to fraction form
    212,952,746.38/293,877,645.36 = 120,132,967.18/x
  3. Step 3: Cross multiply
    212,952,746.38x = 293,877,645.36 × 120,132,967.18
  4. Step 4: Simplify right side
    212,952,746.38x = 35,304,393,522,898,508
  5. Step 5: Solve for x
    x = 35,304,393,522,898,508/212,952,746.38
  6. Step 6: Final answer
    x = 165,785,105.49

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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.