Home / 65,974,070.80-98,961,106.20-18,105,014.80

Finding the Fourth Proportional to 65,974,070.80, 98,961,106.20 and 18,105,014.80

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Solution

The fourth proportional to 65,974,070.80, 98,961,106.20 and 18,105,014.80 is: 27,157,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,974,070.80 : 98,961,106.20 = 18,105,014.80 : x
  2. Step 2: Convert to fraction form
    65,974,070.80/98,961,106.20 = 18,105,014.80/x
  3. Step 3: Cross multiply
    65,974,070.80x = 98,961,106.20 × 18,105,014.80
  4. Step 4: Simplify right side
    65,974,070.80x = 1,791,692,292,375,372
  5. Step 5: Solve for x
    x = 1,791,692,292,375,372/65,974,070.80
  6. Step 6: Final answer
    x = 27,157,522.20

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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.