Home / 212,832,392.80-319,374,560.40-140,258,984.80

Finding the Fourth Proportional to 212,832,392.80, 319,374,560.40 and 140,258,984.80

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Solution

The fourth proportional to 212,832,392.80, 319,374,560.40 and 140,258,984.80 is: 210,471,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,832,392.80 : 319,374,560.40 = 140,258,984.80 : x
  2. Step 2: Convert to fraction form
    212,832,392.80/319,374,560.40 = 140,258,984.80/x
  3. Step 3: Cross multiply
    212,832,392.80x = 319,374,560.40 × 140,258,984.80
  4. Step 4: Simplify right side
    212,832,392.80x = 44,795,151,612,650,280
  5. Step 5: Solve for x
    x = 44,795,151,612,650,280/212,832,392.80
  6. Step 6: Final answer
    x = 210,471,493.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.