Home / 161,705,343.40-242,558,015.10-88,893,989.80

Finding the Fourth Proportional to 161,705,343.40, 242,558,015.10 and 88,893,989.80

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Solution

The fourth proportional to 161,705,343.40, 242,558,015.10 and 88,893,989.80 is: 133,340,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,343.40 : 242,558,015.10 = 88,893,989.80 : x
  2. Step 2: Convert to fraction form
    161,705,343.40/242,558,015.10 = 88,893,989.80/x
  3. Step 3: Cross multiply
    161,705,343.40x = 242,558,015.10 × 88,893,989.80
  4. Step 4: Simplify right side
    161,705,343.40x = 21,561,949,720,207,644
  5. Step 5: Solve for x
    x = 21,561,949,720,207,644/161,705,343.40
  6. Step 6: Final answer
    x = 133,340,984.70

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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.