Home / 65,766,729.60-98,650,094.40-20,333,116.80

Finding the Fourth Proportional to 65,766,729.60, 98,650,094.40 and 20,333,116.80

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Solution

The fourth proportional to 65,766,729.60, 98,650,094.40 and 20,333,116.80 is: 30,499,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,766,729.60 : 98,650,094.40 = 20,333,116.80 : x
  2. Step 2: Convert to fraction form
    65,766,729.60/98,650,094.40 = 20,333,116.80/x
  3. Step 3: Cross multiply
    65,766,729.60x = 98,650,094.40 × 20,333,116.80
  4. Step 4: Simplify right side
    65,766,729.60x = 2,005,863,891,766,226
  5. Step 5: Solve for x
    x = 2,005,863,891,766,226/65,766,729.60
  6. Step 6: Final answer
    x = 30,499,675.20

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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.