Home / 65,440,401.80-98,165,268.30-20,002,123.40

Finding the Fourth Proportional to 65,440,401.80, 98,165,268.30 and 20,002,123.40

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Solution

The fourth proportional to 65,440,401.80, 98,165,268.30 and 20,002,123.40 is: 30,004,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440,401.80 : 98,165,268.30 = 20,002,123.40 : x
  2. Step 2: Convert to fraction form
    65,440,401.80/98,165,268.30 = 20,002,123.40/x
  3. Step 3: Cross multiply
    65,440,401.80x = 98,165,268.30 × 20,002,123.40
  4. Step 4: Simplify right side
    65,440,401.80x = 1,963,513,810,130,708
  5. Step 5: Solve for x
    x = 1,963,513,810,130,708/65,440,401.80
  6. Step 6: Final answer
    x = 30,004,611.16

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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.