Home / 75,282,033.82-112,928,448.12-31,518,753.20

Finding the Fourth Proportional to 75,282,033.82, 112,928,448.12 and 31,518,753.20

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Solution

The fourth proportional to 75,282,033.82, 112,928,448.12 and 31,518,753.20 is: 47,280,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282,033.82 : 112,928,448.12 = 31,518,753.20 : x
  2. Step 2: Convert to fraction form
    75,282,033.82/112,928,448.12 = 31,518,753.20/x
  3. Step 3: Cross multiply
    75,282,033.82x = 112,928,448.12 × 31,518,753.20
  4. Step 4: Simplify right side
    75,282,033.82x = 3,559,363,885,553,284
  5. Step 5: Solve for x
    x = 3,559,363,885,553,284/75,282,033.82
  6. Step 6: Final answer
    x = 47,280,389.56

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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.