Home / 75,282,034.32-112,928,448.87-31,518,753.70

Finding the Fourth Proportional to 75,282,034.32, 112,928,448.87 and 31,518,753.70

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Solution

The fourth proportional to 75,282,034.32, 112,928,448.87 and 31,518,753.70 is: 47,280,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,034.32 : 112,928,448.87 = 31,518,753.70 : x
  2. Step 2: Convert to fraction form
    75,282,034.32/112,928,448.87 = 31,518,753.70/x
  3. Step 3: Cross multiply
    75,282,034.32x = 112,928,448.87 × 31,518,753.70
  4. Step 4: Simplify right side
    75,282,034.32x = 3,559,363,965,656,573.50
  5. Step 5: Solve for x
    x = 3,559,363,965,656,573.50/75,282,034.32
  6. Step 6: Final answer
    x = 47,280,390.31

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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.