Home / 99,914,892.96-137,806,209.72-85,999,553.04

Finding the Fourth Proportional to 99,914,892.96, 137,806,209.72 and 85,999,553.04

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Solution

The fourth proportional to 99,914,892.96, 137,806,209.72 and 85,999,553.04 is: 118,613,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914,892.96 : 137,806,209.72 = 85,999,553.04 : x
  2. Step 2: Convert to fraction form
    99,914,892.96/137,806,209.72 = 85,999,553.04/x
  3. Step 3: Cross multiply
    99,914,892.96x = 137,806,209.72 × 85,999,553.04
  4. Step 4: Simplify right side
    99,914,892.96x = 11,851,272,442,056,504
  5. Step 5: Solve for x
    x = 11,851,272,442,056,504/99,914,892.96
  6. Step 6: Final answer
    x = 118,613,673.01

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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.