Home / 139,254,484.32-192,159,931.23-80,520,958.80

Finding the Fourth Proportional to 139,254,484.32, 192,159,931.23 and 80,520,958.80

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Solution

The fourth proportional to 139,254,484.32, 192,159,931.23 and 80,520,958.80 is: 111,112,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,254,484.32 : 192,159,931.23 = 80,520,958.80 : x
  2. Step 2: Convert to fraction form
    139,254,484.32/192,159,931.23 = 80,520,958.80/x
  3. Step 3: Cross multiply
    139,254,484.32x = 192,159,931.23 × 80,520,958.80
  4. Step 4: Simplify right side
    139,254,484.32x = 15,472,901,905,581,662
  5. Step 5: Solve for x
    x = 15,472,901,905,581,662/139,254,484.32
  6. Step 6: Final answer
    x = 111,112,413.95

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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.