Home / 216,188,510.76-298,361,484.72-123,382,903.32

Finding the Fourth Proportional to 216,188,510.76, 298,361,484.72 and 123,382,903.32

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Solution

The fourth proportional to 216,188,510.76, 298,361,484.72 and 123,382,903.32 is: 170,280,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,188,510.76 : 298,361,484.72 = 123,382,903.32 : x
  2. Step 2: Convert to fraction form
    216,188,510.76/298,361,484.72 = 123,382,903.32/x
  3. Step 3: Cross multiply
    216,188,510.76x = 298,361,484.72 × 123,382,903.32
  4. Step 4: Simplify right side
    216,188,510.76x = 36,812,706,223,619,416
  5. Step 5: Solve for x
    x = 36,812,706,223,619,416/216,188,510.76
  6. Step 6: Final answer
    x = 170,280,585.65

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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.