Home / 248,239,448.92-342,570,423.26-143,878,054.74

Finding the Fourth Proportional to 248,239,448.92, 342,570,423.26 and 143,878,054.74

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Solution

The fourth proportional to 248,239,448.92, 342,570,423.26 and 143,878,054.74 is: 198,551,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,239,448.92 : 342,570,423.26 = 143,878,054.74 : x
  2. Step 2: Convert to fraction form
    248,239,448.92/342,570,423.26 = 143,878,054.74/x
  3. Step 3: Cross multiply
    248,239,448.92x = 342,570,423.26 × 143,878,054.74
  4. Step 4: Simplify right side
    248,239,448.92x = 49,288,366,110,466,944
  5. Step 5: Solve for x
    x = 49,288,366,110,466,944/248,239,448.92
  6. Step 6: Final answer
    x = 198,551,706.13

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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.