Home / 201,897,170.10-302,149,025.55-121,176,069.30

Finding the Fourth Proportional to 201,897,170.10, 302,149,025.55 and 121,176,069.30

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Solution

The fourth proportional to 201,897,170.10, 302,149,025.55 and 121,176,069.30 is: 181,345,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,897,170.10 : 302,149,025.55 = 121,176,069.30 : x
  2. Step 2: Convert to fraction form
    201,897,170.10/302,149,025.55 = 121,176,069.30/x
  3. Step 3: Cross multiply
    201,897,170.10x = 302,149,025.55 × 121,176,069.30
  4. Step 4: Simplify right side
    201,897,170.10x = 36,613,231,258,974,272
  5. Step 5: Solve for x
    x = 36,613,231,258,974,272/201,897,170.10
  6. Step 6: Final answer
    x = 181,345,935.86

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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.