Home / 57,183,451.65-78,913,772.69-31,077,970.83

Finding the Fourth Proportional to 57,183,451.65, 78,913,772.69 and 31,077,970.83

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Solution

The fourth proportional to 57,183,451.65, 78,913,772.69 and 31,077,970.83 is: 42,887,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,451.65 : 78,913,772.69 = 31,077,970.83 : x
  2. Step 2: Convert to fraction form
    57,183,451.65/78,913,772.69 = 31,077,970.83/x
  3. Step 3: Cross multiply
    57,183,451.65x = 78,913,772.69 × 31,077,970.83
  4. Step 4: Simplify right side
    57,183,451.65x = 2,452,479,925,589,680.50
  5. Step 5: Solve for x
    x = 2,452,479,925,589,680.50/57,183,451.65
  6. Step 6: Final answer
    x = 42,887,930.95

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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.