Home / 90,306,761.76-124,625,648.16-49,056,014.88

Finding the Fourth Proportional to 90,306,761.76, 124,625,648.16 and 49,056,014.88

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Solution

The fourth proportional to 90,306,761.76, 124,625,648.16 and 49,056,014.88 is: 67,698,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306,761.76 : 124,625,648.16 = 49,056,014.88 : x
  2. Step 2: Convert to fraction form
    90,306,761.76/124,625,648.16 = 49,056,014.88/x
  3. Step 3: Cross multiply
    90,306,761.76x = 124,625,648.16 × 49,056,014.88
  4. Step 4: Simplify right side
    90,306,761.76x = 6,113,637,650,566,605
  5. Step 5: Solve for x
    x = 6,113,637,650,566,605/90,306,761.76
  6. Step 6: Final answer
    x = 67,698,559.13

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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.