Home / 107,838,672.60-161,758,008.90-47,190,019.80

Finding the Fourth Proportional to 107,838,672.60, 161,758,008.90 and 47,190,019.80

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Solution

The fourth proportional to 107,838,672.60, 161,758,008.90 and 47,190,019.80 is: 70,785,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838,672.60 : 161,758,008.90 = 47,190,019.80 : x
  2. Step 2: Convert to fraction form
    107,838,672.60/161,758,008.90 = 47,190,019.80/x
  3. Step 3: Cross multiply
    107,838,672.60x = 161,758,008.90 × 47,190,019.80
  4. Step 4: Simplify right side
    107,838,672.60x = 7,633,363,642,799,576
  5. Step 5: Solve for x
    x = 7,633,363,642,799,576/107,838,672.60
  6. Step 6: Final answer
    x = 70,785,029.70

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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.