Home / 112,336,388.91-155,024,426.78-62,776,762.68

Finding the Fourth Proportional to 112,336,388.91, 155,024,426.78 and 62,776,762.68

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Solution

The fourth proportional to 112,336,388.91, 155,024,426.78 and 62,776,762.68 is: 86,632,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,336,388.91 : 155,024,426.78 = 62,776,762.68 : x
  2. Step 2: Convert to fraction form
    112,336,388.91/155,024,426.78 = 62,776,762.68/x
  3. Step 3: Cross multiply
    112,336,388.91x = 155,024,426.78 × 62,776,762.68
  4. Step 4: Simplify right side
    112,336,388.91x = 9,731,931,649,257,214
  5. Step 5: Solve for x
    x = 9,731,931,649,257,214/112,336,388.91
  6. Step 6: Final answer
    x = 86,632,049.90

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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.