Home / 57,004,723.62-78,664,410.31-30,898,680.95

Finding the Fourth Proportional to 57,004,723.62, 78,664,410.31 and 30,898,680.95

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Solution

The fourth proportional to 57,004,723.62, 78,664,410.31 and 30,898,680.95 is: 42,639,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,004,723.62 : 78,664,410.31 = 30,898,680.95 : x
  2. Step 2: Convert to fraction form
    57,004,723.62/78,664,410.31 = 30,898,680.95/x
  3. Step 3: Cross multiply
    57,004,723.62x = 78,664,410.31 × 30,898,680.95
  4. Step 4: Simplify right side
    57,004,723.62x = 2,430,626,516,023,552.50
  5. Step 5: Solve for x
    x = 2,430,626,516,023,552.50/57,004,723.62
  6. Step 6: Final answer
    x = 42,639,036.94

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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.