Home / 161,705,335.40-242,558,003.10-88,893,981.80

Finding the Fourth Proportional to 161,705,335.40, 242,558,003.10 and 88,893,981.80

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Solution

The fourth proportional to 161,705,335.40, 242,558,003.10 and 88,893,981.80 is: 133,340,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,335.40 : 242,558,003.10 = 88,893,981.80 : x
  2. Step 2: Convert to fraction form
    161,705,335.40/242,558,003.10 = 88,893,981.80/x
  3. Step 3: Cross multiply
    161,705,335.40x = 242,558,003.10 × 88,893,981.80
  4. Step 4: Simplify right side
    161,705,335.40x = 21,561,946,713,015,744
  5. Step 5: Solve for x
    x = 21,561,946,713,015,744/161,705,335.40
  6. Step 6: Final answer
    x = 133,340,972.70

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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.