Home / 161,705,991.40-242,558,987.10-88,894,637.80

Finding the Fourth Proportional to 161,705,991.40, 242,558,987.10 and 88,894,637.80

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Solution

The fourth proportional to 161,705,991.40, 242,558,987.10 and 88,894,637.80 is: 133,341,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,991.40 : 242,558,987.10 = 88,894,637.80 : x
  2. Step 2: Convert to fraction form
    161,705,991.40/242,558,987.10 = 88,894,637.80/x
  3. Step 3: Cross multiply
    161,705,991.40x = 242,558,987.10 × 88,894,637.80
  4. Step 4: Simplify right side
    161,705,991.40x = 21,562,193,303,389,372
  5. Step 5: Solve for x
    x = 21,562,193,303,389,372/161,705,991.40
  6. Step 6: Final answer
    x = 133,341,956.70

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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.