Home / 77,207,989.42-106,546,639.55-41,925,480.35

Finding the Fourth Proportional to 77,207,989.42, 106,546,639.55 and 41,925,480.35

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Solution

The fourth proportional to 77,207,989.42, 106,546,639.55 and 41,925,480.35 is: 57,856,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207,989.42 : 106,546,639.55 = 41,925,480.35 : x
  2. Step 2: Convert to fraction form
    77,207,989.42/106,546,639.55 = 41,925,480.35/x
  3. Step 3: Cross multiply
    77,207,989.42x = 106,546,639.55 × 41,925,480.35
  4. Step 4: Simplify right side
    77,207,989.42x = 4,467,019,042,069,697
  5. Step 5: Solve for x
    x = 4,467,019,042,069,697/77,207,989.42
  6. Step 6: Final answer
    x = 57,856,953.35

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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.