Home / 144,853,489.20-217,280,233.80-68,325,985.20

Finding the Fourth Proportional to 144,853,489.20, 217,280,233.80 and 68,325,985.20

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Solution

The fourth proportional to 144,853,489.20, 217,280,233.80 and 68,325,985.20 is: 102,488,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,853,489.20 : 217,280,233.80 = 68,325,985.20 : x
  2. Step 2: Convert to fraction form
    144,853,489.20/217,280,233.80 = 68,325,985.20/x
  3. Step 3: Cross multiply
    144,853,489.20x = 217,280,233.80 × 68,325,985.20
  4. Step 4: Simplify right side
    144,853,489.20x = 14,845,886,038,871,342
  5. Step 5: Solve for x
    x = 14,845,886,038,871,342/144,853,489.20
  6. Step 6: Final answer
    x = 102,488,977.80

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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.