Home / 86,619,672.38-129,945,895.38-34,808,308.28

Finding the Fourth Proportional to 86,619,672.38, 129,945,895.38 and 34,808,308.28

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Solution

The fourth proportional to 86,619,672.38, 129,945,895.38 and 34,808,308.28 is: 52,219,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619,672.38 : 129,945,895.38 = 34,808,308.28 : x
  2. Step 2: Convert to fraction form
    86,619,672.38/129,945,895.38 = 34,808,308.28/x
  3. Step 3: Cross multiply
    86,619,672.38x = 129,945,895.38 × 34,808,308.28
  4. Step 4: Simplify right side
    86,619,672.38x = 4,523,196,786,107,668
  5. Step 5: Solve for x
    x = 4,523,196,786,107,668/86,619,672.38
  6. Step 6: Final answer
    x = 52,219,047.50

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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.