Home / 45,259,060.78-67,932,435.05-42,801,146.15

Finding the Fourth Proportional to 45,259,060.78, 67,932,435.05 and 42,801,146.15

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Solution

The fourth proportional to 45,259,060.78, 67,932,435.05 and 42,801,146.15 is: 64,243,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259,060.78 : 67,932,435.05 = 42,801,146.15 : x
  2. Step 2: Convert to fraction form
    45,259,060.78/67,932,435.05 = 42,801,146.15/x
  3. Step 3: Cross multiply
    45,259,060.78x = 67,932,435.05 × 42,801,146.15
  4. Step 4: Simplify right side
    45,259,060.78x = 2,907,586,080,900,432.50
  5. Step 5: Solve for x
    x = 2,907,586,080,900,432.50/45,259,060.78
  6. Step 6: Final answer
    x = 64,243,182.05

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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.