Home / 91,611,141.80-126,424,222.29-49,795,305.41

Finding the Fourth Proportional to 91,611,141.80, 126,424,222.29 and 49,795,305.41

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Solution

The fourth proportional to 91,611,141.80, 126,424,222.29 and 49,795,305.41 is: 68,717,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611,141.80 : 126,424,222.29 = 49,795,305.41 : x
  2. Step 2: Convert to fraction form
    91,611,141.80/126,424,222.29 = 49,795,305.41/x
  3. Step 3: Cross multiply
    91,611,141.80x = 126,424,222.29 × 49,795,305.41
  4. Step 4: Simplify right side
    91,611,141.80x = 6,295,332,759,520,159
  5. Step 5: Solve for x
    x = 6,295,332,759,520,159/91,611,141.80
  6. Step 6: Final answer
    x = 68,717,981.64

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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.