Home / 53,649,428.20-80,474,142.30-19,571,885.80

Finding the Fourth Proportional to 53,649,428.20, 80,474,142.30 and 19,571,885.80

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Solution

The fourth proportional to 53,649,428.20, 80,474,142.30 and 19,571,885.80 is: 29,357,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649,428.20 : 80,474,142.30 = 19,571,885.80 : x
  2. Step 2: Convert to fraction form
    53,649,428.20/80,474,142.30 = 19,571,885.80/x
  3. Step 3: Cross multiply
    53,649,428.20x = 80,474,142.30 × 19,571,885.80
  4. Step 4: Simplify right side
    53,649,428.20x = 1,575,030,722,948,549.25
  5. Step 5: Solve for x
    x = 1,575,030,722,948,549.25/53,649,428.20
  6. Step 6: Final answer
    x = 29,357,828.70

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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.