Home / 100,897,576.50-139,238,654.18-54,487,829.06

Finding the Fourth Proportional to 100,897,576.50, 139,238,654.18 and 54,487,829.06

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Solution

The fourth proportional to 100,897,576.50, 139,238,654.18 and 54,487,829.06 is: 75,193,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,576.50 : 139,238,654.18 = 54,487,829.06 : x
  2. Step 2: Convert to fraction form
    100,897,576.50/139,238,654.18 = 54,487,829.06/x
  3. Step 3: Cross multiply
    100,897,576.50x = 139,238,654.18 × 54,487,829.06
  4. Step 4: Simplify right side
    100,897,576.50x = 7,586,811,986,535,663
  5. Step 5: Solve for x
    x = 7,586,811,986,535,663/100,897,576.50
  6. Step 6: Final answer
    x = 75,193,203.34

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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.