Home / 202,142,931.93-278,957,432.06-109,323,439.77

Finding the Fourth Proportional to 202,142,931.93, 278,957,432.06 and 109,323,439.77

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Solution

The fourth proportional to 202,142,931.93, 278,957,432.06 and 109,323,439.77 is: 150,866,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,142,931.93 : 278,957,432.06 = 109,323,439.77 : x
  2. Step 2: Convert to fraction form
    202,142,931.93/278,957,432.06 = 109,323,439.77/x
  3. Step 3: Cross multiply
    202,142,931.93x = 278,957,432.06 × 109,323,439.77
  4. Step 4: Simplify right side
    202,142,931.93x = 30,496,586,020,263,872
  5. Step 5: Solve for x
    x = 30,496,586,020,263,872/202,142,931.93
  6. Step 6: Final answer
    x = 150,866,447.47

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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.