Home / 70,983,886.60-106,517,820.30-51,766,280.20

Finding the Fourth Proportional to 70,983,886.60, 106,517,820.30 and 51,766,280.20

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Solution

The fourth proportional to 70,983,886.60, 106,517,820.30 and 51,766,280.20 is: 77,680,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,983,886.60 : 106,517,820.30 = 51,766,280.20 : x
  2. Step 2: Convert to fraction form
    70,983,886.60/106,517,820.30 = 51,766,280.20/x
  3. Step 3: Cross multiply
    70,983,886.60x = 106,517,820.30 × 51,766,280.20
  4. Step 4: Simplify right side
    70,983,886.60x = 5,514,031,331,943,048
  5. Step 5: Solve for x
    x = 5,514,031,331,943,048/70,983,886.60
  6. Step 6: Final answer
    x = 77,680,042.56

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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.