Home / 91,389,204.12-126,095,470.12-51,697,647.36

Finding the Fourth Proportional to 91,389,204.12, 126,095,470.12 and 51,697,647.36

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Solution

The fourth proportional to 91,389,204.12, 126,095,470.12 and 51,697,647.36 is: 71,330,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,389,204.12 : 126,095,470.12 = 51,697,647.36 : x
  2. Step 2: Convert to fraction form
    91,389,204.12/126,095,470.12 = 51,697,647.36/x
  3. Step 3: Cross multiply
    91,389,204.12x = 126,095,470.12 × 51,697,647.36
  4. Step 4: Simplify right side
    91,389,204.12x = 6,518,839,147,957,177
  5. Step 5: Solve for x
    x = 6,518,839,147,957,177/91,389,204.12
  6. Step 6: Final answer
    x = 71,330,516.67

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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.