Home / 78,824,334.95-108,775,474.71-43,541,380.67

Finding the Fourth Proportional to 78,824,334.95, 108,775,474.71 and 43,541,380.67

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Solution

The fourth proportional to 78,824,334.95, 108,775,474.71 and 43,541,380.67 is: 60,085,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,824,334.95 : 108,775,474.71 = 43,541,380.67 : x
  2. Step 2: Convert to fraction form
    78,824,334.95/108,775,474.71 = 43,541,380.67/x
  3. Step 3: Cross multiply
    78,824,334.95x = 108,775,474.71 × 43,541,380.67
  4. Step 4: Simplify right side
    78,824,334.95x = 4,736,234,351,908,068
  5. Step 5: Solve for x
    x = 4,736,234,351,908,068/78,824,334.95
  6. Step 6: Final answer
    x = 60,085,941.17

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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.