Home / 108,193,592.97-149,260,241.03-71,575,164.81

Finding the Fourth Proportional to 108,193,592.97, 149,260,241.03 and 71,575,164.81

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Solution

The fourth proportional to 108,193,592.97, 149,260,241.03 and 71,575,164.81 is: 98,742,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,193,592.97 : 149,260,241.03 = 71,575,164.81 : x
  2. Step 2: Convert to fraction form
    108,193,592.97/149,260,241.03 = 71,575,164.81/x
  3. Step 3: Cross multiply
    108,193,592.97x = 149,260,241.03 × 71,575,164.81
  4. Step 4: Simplify right side
    108,193,592.97x = 10,683,326,350,944,700
  5. Step 5: Solve for x
    x = 10,683,326,350,944,700/108,193,592.97
  6. Step 6: Final answer
    x = 98,742,689.45

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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.