Home / 91,074,328.80-125,682,197.76-49,258,440.48

Finding the Fourth Proportional to 91,074,328.80, 125,682,197.76 and 49,258,440.48

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Solution

The fourth proportional to 91,074,328.80, 125,682,197.76 and 49,258,440.48 is: 67,976,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074,328.80 : 125,682,197.76 = 49,258,440.48 : x
  2. Step 2: Convert to fraction form
    91,074,328.80/125,682,197.76 = 49,258,440.48/x
  3. Step 3: Cross multiply
    91,074,328.80x = 125,682,197.76 × 49,258,440.48
  4. Step 4: Simplify right side
    91,074,328.80x = 6,190,909,057,756,549
  5. Step 5: Solve for x
    x = 6,190,909,057,756,549/91,074,328.80
  6. Step 6: Final answer
    x = 67,976,444.51

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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.