Home / 55,451,378.65-76,517,767.15-30,671,032.21

Finding the Fourth Proportional to 55,451,378.65, 76,517,767.15 and 30,671,032.21

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Solution

The fourth proportional to 55,451,378.65, 76,517,767.15 and 30,671,032.21 is: 42,323,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451,378.65 : 76,517,767.15 = 30,671,032.21 : x
  2. Step 2: Convert to fraction form
    55,451,378.65/76,517,767.15 = 30,671,032.21/x
  3. Step 3: Cross multiply
    55,451,378.65x = 76,517,767.15 × 30,671,032.21
  4. Step 4: Simplify right side
    55,451,378.65x = 2,346,878,900,894,930
  5. Step 5: Solve for x
    x = 2,346,878,900,894,930/55,451,378.65
  6. Step 6: Final answer
    x = 42,323,183.99

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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.