Home / 212,872,023.20-319,308,034.80-59,517,833.60

Finding the Fourth Proportional to 212,872,023.20, 319,308,034.80 and 59,517,833.60

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Solution

The fourth proportional to 212,872,023.20, 319,308,034.80 and 59,517,833.60 is: 89,276,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,872,023.20 : 319,308,034.80 = 59,517,833.60 : x
  2. Step 2: Convert to fraction form
    212,872,023.20/319,308,034.80 = 59,517,833.60/x
  3. Step 3: Cross multiply
    212,872,023.20x = 319,308,034.80 × 59,517,833.60
  4. Step 4: Simplify right side
    212,872,023.20x = 19,004,522,482,369,412
  5. Step 5: Solve for x
    x = 19,004,522,482,369,412/212,872,023.20
  6. Step 6: Final answer
    x = 89,276,750.40

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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.