Home / 45,399,118.80-68,098,678.20-39,021,826.80

Finding the Fourth Proportional to 45,399,118.80, 68,098,678.20 and 39,021,826.80

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Solution

The fourth proportional to 45,399,118.80, 68,098,678.20 and 39,021,826.80 is: 58,532,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399,118.80 : 68,098,678.20 = 39,021,826.80 : x
  2. Step 2: Convert to fraction form
    45,399,118.80/68,098,678.20 = 39,021,826.80/x
  3. Step 3: Cross multiply
    45,399,118.80x = 68,098,678.20 × 39,021,826.80
  4. Step 4: Simplify right side
    45,399,118.80x = 2,657,334,826,029,335.50
  5. Step 5: Solve for x
    x = 2,657,334,826,029,335.50/45,399,118.80
  6. Step 6: Final answer
    x = 58,532,740.20

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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.