Home / 161,684,193.30-242,561,719.35-79,842,279.30

Finding the Fourth Proportional to 161,684,193.30, 242,561,719.35 and 79,842,279.30

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Solution

The fourth proportional to 161,684,193.30, 242,561,719.35 and 79,842,279.30 is: 119,780,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,684,193.30 : 242,561,719.35 = 79,842,279.30 : x
  2. Step 2: Convert to fraction form
    161,684,193.30/242,561,719.35 = 79,842,279.30/x
  3. Step 3: Cross multiply
    161,684,193.30x = 242,561,719.35 × 79,842,279.30
  4. Step 4: Simplify right side
    161,684,193.30x = 19,366,680,543,830,912
  5. Step 5: Solve for x
    x = 19,366,680,543,830,912/161,684,193.30
  6. Step 6: Final answer
    x = 119,780,914.56

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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.