Home / 144,696,271.92-199,682,671.18-78,617,873.47

Finding the Fourth Proportional to 144,696,271.92, 199,682,671.18 and 78,617,873.47

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Solution

The fourth proportional to 144,696,271.92, 199,682,671.18 and 78,617,873.47 is: 108,493,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696,271.92 : 199,682,671.18 = 78,617,873.47 : x
  2. Step 2: Convert to fraction form
    144,696,271.92/199,682,671.18 = 78,617,873.47/x
  3. Step 3: Cross multiply
    144,696,271.92x = 199,682,671.18 × 78,617,873.47
  4. Step 4: Simplify right side
    144,696,271.92x = 15,698,626,976,980,856
  5. Step 5: Solve for x
    x = 15,698,626,976,980,856/144,696,271.92
  6. Step 6: Final answer
    x = 108,493,652.04

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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.