Home / 135,253,626.34-186,634,257.91-75,718,182.52

Finding the Fourth Proportional to 135,253,626.34, 186,634,257.91 and 75,718,182.52

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Solution

The fourth proportional to 135,253,626.34, 186,634,257.91 and 75,718,182.52 is: 104,482,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,253,626.34 : 186,634,257.91 = 75,718,182.52 : x
  2. Step 2: Convert to fraction form
    135,253,626.34/186,634,257.91 = 75,718,182.52/x
  3. Step 3: Cross multiply
    135,253,626.34x = 186,634,257.91 × 75,718,182.52
  4. Step 4: Simplify right side
    135,253,626.34x = 14,131,606,805,103,428
  5. Step 5: Solve for x
    x = 14,131,606,805,103,428/135,253,626.34
  6. Step 6: Final answer
    x = 104,482,276.65

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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.