Home / 107,838,644.40-161,757,966.60-31,169,422.80

Finding the Fourth Proportional to 107,838,644.40, 161,757,966.60 and 31,169,422.80

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Solution

The fourth proportional to 107,838,644.40, 161,757,966.60 and 31,169,422.80 is: 46,754,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,644.40 : 161,757,966.60 = 31,169,422.80 : x
  2. Step 2: Convert to fraction form
    107,838,644.40/161,757,966.60 = 31,169,422.80/x
  3. Step 3: Cross multiply
    107,838,644.40x = 161,757,966.60 × 31,169,422.80
  4. Step 4: Simplify right side
    107,838,644.40x = 5,041,902,452,223,678
  5. Step 5: Solve for x
    x = 5,041,902,452,223,678/107,838,644.40
  6. Step 6: Final answer
    x = 46,754,134.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.