Home / 99,914,890.96-137,806,206.96-85,999,551.04

Finding the Fourth Proportional to 99,914,890.96, 137,806,206.96 and 85,999,551.04

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Solution

The fourth proportional to 99,914,890.96, 137,806,206.96 and 85,999,551.04 is: 118,613,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914,890.96 : 137,806,206.96 = 85,999,551.04 : x
  2. Step 2: Convert to fraction form
    99,914,890.96/137,806,206.96 = 85,999,551.04/x
  3. Step 3: Cross multiply
    99,914,890.96x = 137,806,206.96 × 85,999,551.04
  4. Step 4: Simplify right side
    99,914,890.96x = 11,851,271,929,085,324
  5. Step 5: Solve for x
    x = 11,851,271,929,085,324/99,914,890.96
  6. Step 6: Final answer
    x = 118,613,670.25

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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.