Home / 147,191,882.26-203,126,140.89-81,114,751.36

Finding the Fourth Proportional to 147,191,882.26, 203,126,140.89 and 81,114,751.36

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Solution

The fourth proportional to 147,191,882.26, 203,126,140.89 and 81,114,751.36 is: 111,939,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,882.26 : 203,126,140.89 = 81,114,751.36 : x
  2. Step 2: Convert to fraction form
    147,191,882.26/203,126,140.89 = 81,114,751.36/x
  3. Step 3: Cross multiply
    147,191,882.26x = 203,126,140.89 × 81,114,751.36
  4. Step 4: Simplify right side
    147,191,882.26x = 16,476,526,411,587,474
  5. Step 5: Solve for x
    x = 16,476,526,411,587,474/147,191,882.26
  6. Step 6: Final answer
    x = 111,939,097.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.