Home / 135,253,655.29-186,634,297.78-75,718,211.47

Finding the Fourth Proportional to 135,253,655.29, 186,634,297.78 and 75,718,211.47

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Solution

The fourth proportional to 135,253,655.29, 186,634,297.78 and 75,718,211.47 is: 104,482,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,253,655.29 : 186,634,297.78 = 75,718,211.47 : x
  2. Step 2: Convert to fraction form
    135,253,655.29/186,634,297.78 = 75,718,211.47/x
  3. Step 3: Cross multiply
    135,253,655.29x = 186,634,297.78 × 75,718,211.47
  4. Step 4: Simplify right side
    135,253,655.29x = 14,131,615,226,860,992
  5. Step 5: Solve for x
    x = 14,131,615,226,860,992/135,253,655.29
  6. Step 6: Final answer
    x = 104,482,316.55

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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.