Home / 161,677,963.28-242,533,268.76-52,498,568.72

Finding the Fourth Proportional to 161,677,963.28, 242,533,268.76 and 52,498,568.72

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Solution

The fourth proportional to 161,677,963.28, 242,533,268.76 and 52,498,568.72 is: 78,753,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,677,963.28 : 242,533,268.76 = 52,498,568.72 : x
  2. Step 2: Convert to fraction form
    161,677,963.28/242,533,268.76 = 52,498,568.72/x
  3. Step 3: Cross multiply
    161,677,963.28x = 242,533,268.76 × 52,498,568.72
  4. Step 4: Simplify right side
    161,677,963.28x = 12,732,649,476,883,088
  5. Step 5: Solve for x
    x = 12,732,649,476,883,088/161,677,963.28
  6. Step 6: Final answer
    x = 78,753,153.61

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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.