Home / 91,288,436.94-125,981,089.61-50,035,435.02

Finding the Fourth Proportional to 91,288,436.94, 125,981,089.61 and 50,035,435.02

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Solution

The fourth proportional to 91,288,436.94, 125,981,089.61 and 50,035,435.02 is: 69,050,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,436.94 : 125,981,089.61 = 50,035,435.02 : x
  2. Step 2: Convert to fraction form
    91,288,436.94/125,981,089.61 = 50,035,435.02/x
  3. Step 3: Cross multiply
    91,288,436.94x = 125,981,089.61 × 50,035,435.02
  4. Step 4: Simplify right side
    91,288,436.94x = 6,303,518,622,929,953
  5. Step 5: Solve for x
    x = 6,303,518,622,929,953/91,288,436.94
  6. Step 6: Final answer
    x = 69,050,570.20

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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.