Home / 77,162,292.09-106,435,527.26-45,778,121.60

Finding the Fourth Proportional to 77,162,292.09, 106,435,527.26 and 45,778,121.60

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Solution

The fourth proportional to 77,162,292.09, 106,435,527.26 and 45,778,121.60 is: 63,145,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,292.09 : 106,435,527.26 = 45,778,121.60 : x
  2. Step 2: Convert to fraction form
    77,162,292.09/106,435,527.26 = 45,778,121.60/x
  3. Step 3: Cross multiply
    77,162,292.09x = 106,435,527.26 × 45,778,121.60
  4. Step 4: Simplify right side
    77,162,292.09x = 4,872,418,508,707,326
  5. Step 5: Solve for x
    x = 4,872,418,508,707,326/77,162,292.09
  6. Step 6: Final answer
    x = 63,145,072.25

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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.