Home / 201,897,171.10-302,149,027.05-121,176,070.30

Finding the Fourth Proportional to 201,897,171.10, 302,149,027.05 and 121,176,070.30

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Solution

The fourth proportional to 201,897,171.10, 302,149,027.05 and 121,176,070.30 is: 181,345,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,897,171.10 : 302,149,027.05 = 121,176,070.30 : x
  2. Step 2: Convert to fraction form
    201,897,171.10/302,149,027.05 = 121,176,070.30/x
  3. Step 3: Cross multiply
    201,897,171.10x = 302,149,027.05 × 121,176,070.30
  4. Step 4: Simplify right side
    201,897,171.10x = 36,613,231,742,887,400
  5. Step 5: Solve for x
    x = 36,613,231,742,887,400/201,897,171.10
  6. Step 6: Final answer
    x = 181,345,937.36

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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.