Home / 45,506,416.80-68,259,625.20-13,159,374.60

Finding the Fourth Proportional to 45,506,416.80, 68,259,625.20 and 13,159,374.60

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Solution

The fourth proportional to 45,506,416.80, 68,259,625.20 and 13,159,374.60 is: 19,739,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506,416.80 : 68,259,625.20 = 13,159,374.60 : x
  2. Step 2: Convert to fraction form
    45,506,416.80/68,259,625.20 = 13,159,374.60/x
  3. Step 3: Cross multiply
    45,506,416.80x = 68,259,625.20 × 13,159,374.60
  4. Step 4: Simplify right side
    45,506,416.80x = 898,253,978,062,399.88
  5. Step 5: Solve for x
    x = 898,253,978,062,399.88/45,506,416.80
  6. Step 6: Final answer
    x = 19,739,061.90

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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.