Home / 209,843,613.40-314,765,420.10-73,511,282.20

Finding the Fourth Proportional to 209,843,613.40, 314,765,420.10 and 73,511,282.20

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Solution

The fourth proportional to 209,843,613.40, 314,765,420.10 and 73,511,282.20 is: 110,266,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,843,613.40 : 314,765,420.10 = 73,511,282.20 : x
  2. Step 2: Convert to fraction form
    209,843,613.40/314,765,420.10 = 73,511,282.20/x
  3. Step 3: Cross multiply
    209,843,613.40x = 314,765,420.10 × 73,511,282.20
  4. Step 4: Simplify right side
    209,843,613.40x = 23,138,809,623,772,656
  5. Step 5: Solve for x
    x = 23,138,809,623,772,656/209,843,613.40
  6. Step 6: Final answer
    x = 110,266,923.30

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1.5x scale

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.