Home / 201,017,478.70-301,526,218.05-180,610,144.30

Finding the Fourth Proportional to 201,017,478.70, 301,526,218.05 and 180,610,144.30

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Solution

The fourth proportional to 201,017,478.70, 301,526,218.05 and 180,610,144.30 is: 270,915,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017,478.70 : 301,526,218.05 = 180,610,144.30 : x
  2. Step 2: Convert to fraction form
    201,017,478.70/301,526,218.05 = 180,610,144.30/x
  3. Step 3: Cross multiply
    201,017,478.70x = 301,526,218.05 × 180,610,144.30
  4. Step 4: Simplify right side
    201,017,478.70x = 54,458,693,752,243,768
  5. Step 5: Solve for x
    x = 54,458,693,752,243,768/201,017,478.70
  6. Step 6: Final answer
    x = 270,915,216.45

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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.