Home / 209,843,415.90-314,765,123.85-73,511,084.70

Finding the Fourth Proportional to 209,843,415.90, 314,765,123.85 and 73,511,084.70

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Solution

The fourth proportional to 209,843,415.90, 314,765,123.85 and 73,511,084.70 is: 110,266,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,843,415.90 : 314,765,123.85 = 73,511,084.70 : x
  2. Step 2: Convert to fraction form
    209,843,415.90/314,765,123.85 = 73,511,084.70/x
  3. Step 3: Cross multiply
    209,843,415.90x = 314,765,123.85 × 73,511,084.70
  4. Step 4: Simplify right side
    209,843,415.90x = 23,138,725,679,943,344
  5. Step 5: Solve for x
    x = 23,138,725,679,943,344/209,843,415.90
  6. Step 6: Final answer
    x = 110,266,627.05

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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.