Home / 90,781,935.62-125,278,928.26-49,528,831.64

Finding the Fourth Proportional to 90,781,935.62, 125,278,928.26 and 49,528,831.64

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Solution

The fourth proportional to 90,781,935.62, 125,278,928.26 and 49,528,831.64 is: 68,349,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,781,935.62 : 125,278,928.26 = 49,528,831.64 : x
  2. Step 2: Convert to fraction form
    90,781,935.62/125,278,928.26 = 49,528,831.64/x
  3. Step 3: Cross multiply
    90,781,935.62x = 125,278,928.26 × 49,528,831.64
  4. Step 4: Simplify right side
    90,781,935.62x = 6,204,918,945,829,178
  5. Step 5: Solve for x
    x = 6,204,918,945,829,178/90,781,935.62
  6. Step 6: Final answer
    x = 68,349,709.70

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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.