Home / 135,253,685.52-186,634,339.44-75,718,241.76

Finding the Fourth Proportional to 135,253,685.52, 186,634,339.44 and 75,718,241.76

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Solution

The fourth proportional to 135,253,685.52, 186,634,339.44 and 75,718,241.76 is: 104,482,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,253,685.52 : 186,634,339.44 = 75,718,241.76 : x
  2. Step 2: Convert to fraction form
    135,253,685.52/186,634,339.44 = 75,718,241.76/x
  3. Step 3: Cross multiply
    135,253,685.52x = 186,634,339.44 × 75,718,241.76
  4. Step 4: Simplify right side
    135,253,685.52x = 14,131,624,034,435,824
  5. Step 5: Solve for x
    x = 14,131,624,034,435,824/135,253,685.52
  6. Step 6: Final answer
    x = 104,482,358.32

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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.