Home / 102,642,419.04-141,646,489.20-61,389,310.56

Finding the Fourth Proportional to 102,642,419.04, 141,646,489.20 and 61,389,310.56

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Solution

The fourth proportional to 102,642,419.04, 141,646,489.20 and 61,389,310.56 is: 84,717,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,642,419.04 : 141,646,489.20 = 61,389,310.56 : x
  2. Step 2: Convert to fraction form
    102,642,419.04/141,646,489.20 = 61,389,310.56/x
  3. Step 3: Cross multiply
    102,642,419.04x = 141,646,489.20 × 61,389,310.56
  4. Step 4: Simplify right side
    102,642,419.04x = 8,695,580,315,232,486
  5. Step 5: Solve for x
    x = 8,695,580,315,232,486/102,642,419.04
  6. Step 6: Final answer
    x = 84,717,219.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.