Home / 245,882,571.86-368,718,868.71-142,323,258.86

Finding the Fourth Proportional to 245,882,571.86, 368,718,868.71 and 142,323,258.86

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Solution

The fourth proportional to 245,882,571.86, 368,718,868.71 and 142,323,258.86 is: 213,424,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,882,571.86 : 368,718,868.71 = 142,323,258.86 : x
  2. Step 2: Convert to fraction form
    245,882,571.86/368,718,868.71 = 142,323,258.86/x
  3. Step 3: Cross multiply
    245,882,571.86x = 368,718,868.71 × 142,323,258.86
  4. Step 4: Simplify right side
    245,882,571.86x = 52,477,270,998,053,920
  5. Step 5: Solve for x
    x = 52,477,270,998,053,920/245,882,571.86
  6. Step 6: Final answer
    x = 213,424,117.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.