Home / 75,420,639.38-113,043,216.59-43,095,204.74

Finding the Fourth Proportional to 75,420,639.38, 113,043,216.59 and 43,095,204.74

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Solution

The fourth proportional to 75,420,639.38, 113,043,216.59 and 43,095,204.74 is: 64,592,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,420,639.38 : 113,043,216.59 = 43,095,204.74 : x
  2. Step 2: Convert to fraction form
    75,420,639.38/113,043,216.59 = 43,095,204.74/x
  3. Step 3: Cross multiply
    75,420,639.38x = 113,043,216.59 × 43,095,204.74
  4. Step 4: Simplify right side
    75,420,639.38x = 4,871,620,563,414,215
  5. Step 5: Solve for x
    x = 4,871,620,563,414,215/75,420,639.38
  6. Step 6: Final answer
    x = 64,592,671.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.