Home / 91,288,434.39-125,981,086.10-50,035,432.47

Finding the Fourth Proportional to 91,288,434.39, 125,981,086.10 and 50,035,432.47

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Solution

The fourth proportional to 91,288,434.39, 125,981,086.10 and 50,035,432.47 is: 69,050,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,434.39 : 125,981,086.10 = 50,035,432.47 : x
  2. Step 2: Convert to fraction form
    91,288,434.39/125,981,086.10 = 50,035,432.47/x
  3. Step 3: Cross multiply
    91,288,434.39x = 125,981,086.10 × 50,035,432.47
  4. Step 4: Simplify right side
    91,288,434.39x = 6,303,518,125,803,628
  5. Step 5: Solve for x
    x = 6,303,518,125,803,628/91,288,434.39
  6. Step 6: Final answer
    x = 69,050,566.68

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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.