Home / 76,745,949.12-105,920,212.32-48,859,751.52

Finding the Fourth Proportional to 76,745,949.12, 105,920,212.32 and 48,859,751.52

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Solution

The fourth proportional to 76,745,949.12, 105,920,212.32 and 48,859,751.52 is: 67,433,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745,949.12 : 105,920,212.32 = 48,859,751.52 : x
  2. Step 2: Convert to fraction form
    76,745,949.12/105,920,212.32 = 48,859,751.52/x
  3. Step 3: Cross multiply
    76,745,949.12x = 105,920,212.32 × 48,859,751.52
  4. Step 4: Simplify right side
    76,745,949.12x = 5,175,235,254,900,843
  5. Step 5: Solve for x
    x = 5,175,235,254,900,843/76,745,949.12
  6. Step 6: Final answer
    x = 67,433,334.45

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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.