Home / 212,952,746.88-293,877,646.05-120,132,967.68

Finding the Fourth Proportional to 212,952,746.88, 293,877,646.05 and 120,132,967.68

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Solution

The fourth proportional to 212,952,746.88, 293,877,646.05 and 120,132,967.68 is: 165,785,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,952,746.88 : 293,877,646.05 = 120,132,967.68 : x
  2. Step 2: Convert to fraction form
    212,952,746.88/293,877,646.05 = 120,132,967.68/x
  3. Step 3: Cross multiply
    212,952,746.88x = 293,877,646.05 × 120,132,967.68
  4. Step 4: Simplify right side
    212,952,746.88x = 35,304,393,752,729,076
  5. Step 5: Solve for x
    x = 35,304,393,752,729,076/212,952,746.88
  6. Step 6: Final answer
    x = 165,785,106.18

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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.