Home / 145,449,499.77-200,724,568.68-79,374,255.60

Finding the Fourth Proportional to 145,449,499.77, 200,724,568.68 and 79,374,255.60

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Solution

The fourth proportional to 145,449,499.77, 200,724,568.68 and 79,374,255.60 is: 109,538,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,449,499.77 : 200,724,568.68 = 79,374,255.60 : x
  2. Step 2: Convert to fraction form
    145,449,499.77/200,724,568.68 = 79,374,255.60/x
  3. Step 3: Cross multiply
    145,449,499.77x = 200,724,568.68 × 79,374,255.60
  4. Step 4: Simplify right side
    145,449,499.77x = 15,932,363,219,606,074
  5. Step 5: Solve for x
    x = 15,932,363,219,606,074/145,449,499.77
  6. Step 6: Final answer
    x = 109,538,796.94

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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.