Home / 165,237,646.60-247,917,487.20-68,201,768.80

Finding the Fourth Proportional to 165,237,646.60, 247,917,487.20 and 68,201,768.80

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Solution

The fourth proportional to 165,237,646.60, 247,917,487.20 and 68,201,768.80 is: 102,327,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,237,646.60 : 247,917,487.20 = 68,201,768.80 : x
  2. Step 2: Convert to fraction form
    165,237,646.60/247,917,487.20 = 68,201,768.80/x
  3. Step 3: Cross multiply
    165,237,646.60x = 247,917,487.20 × 68,201,768.80
  4. Step 4: Simplify right side
    165,237,646.60x = 16,908,411,143,491,358
  5. Step 5: Solve for x
    x = 16,908,411,143,491,358/165,237,646.60
  6. Step 6: Final answer
    x = 102,327,838.06

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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.