Home / 161,705,334.40-242,558,001.60-88,893,980.80

Finding the Fourth Proportional to 161,705,334.40, 242,558,001.60 and 88,893,980.80

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Solution

The fourth proportional to 161,705,334.40, 242,558,001.60 and 88,893,980.80 is: 133,340,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,334.40 : 242,558,001.60 = 88,893,980.80 : x
  2. Step 2: Convert to fraction form
    161,705,334.40/242,558,001.60 = 88,893,980.80/x
  3. Step 3: Cross multiply
    161,705,334.40x = 242,558,001.60 × 88,893,980.80
  4. Step 4: Simplify right side
    161,705,334.40x = 21,561,946,337,116,768
  5. Step 5: Solve for x
    x = 21,561,946,337,116,768/161,705,334.40
  6. Step 6: Final answer
    x = 133,340,971.20

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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.