Home / 152,591,875.20-228,887,812.80-135,963,676.80

Finding the Fourth Proportional to 152,591,875.20, 228,887,812.80 and 135,963,676.80

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Solution

The fourth proportional to 152,591,875.20, 228,887,812.80 and 135,963,676.80 is: 203,945,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,591,875.20 : 228,887,812.80 = 135,963,676.80 : x
  2. Step 2: Convert to fraction form
    152,591,875.20/228,887,812.80 = 135,963,676.80/x
  3. Step 3: Cross multiply
    152,591,875.20x = 228,887,812.80 × 135,963,676.80
  4. Step 4: Simplify right side
    152,591,875.20x = 31,120,428,602,998,108
  5. Step 5: Solve for x
    x = 31,120,428,602,998,108/152,591,875.20
  6. Step 6: Final answer
    x = 203,945,515.20

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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.