Home / 99,747,291.04-137,575,512.52-85,831,965.29

Finding the Fourth Proportional to 99,747,291.04, 137,575,512.52 and 85,831,965.29

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Solution

The fourth proportional to 99,747,291.04, 137,575,512.52 and 85,831,965.29 is: 118,382,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747,291.04 : 137,575,512.52 = 85,831,965.29 : x
  2. Step 2: Convert to fraction form
    99,747,291.04/137,575,512.52 = 85,831,965.29/x
  3. Step 3: Cross multiply
    99,747,291.04x = 137,575,512.52 × 85,831,965.29
  4. Step 4: Simplify right side
    99,747,291.04x = 11,808,376,615,499,960
  5. Step 5: Solve for x
    x = 11,808,376,615,499,960/99,747,291.04
  6. Step 6: Final answer
    x = 118,382,930.43

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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.