Home / 134,730,112.68-185,929,977.42-79,015,716.90

Finding the Fourth Proportional to 134,730,112.68, 185,929,977.42 and 79,015,716.90

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Solution

The fourth proportional to 134,730,112.68, 185,929,977.42 and 79,015,716.90 is: 109,043,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730,112.68 : 185,929,977.42 = 79,015,716.90 : x
  2. Step 2: Convert to fraction form
    134,730,112.68/185,929,977.42 = 79,015,716.90/x
  3. Step 3: Cross multiply
    134,730,112.68x = 185,929,977.42 × 79,015,716.90
  4. Step 4: Simplify right side
    134,730,112.68x = 14,691,390,459,042,112
  5. Step 5: Solve for x
    x = 14,691,390,459,042,112/134,730,112.68
  6. Step 6: Final answer
    x = 109,043,109.72

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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.