Home / 248,239,533.95-342,570,540.61-143,878,139.72

Finding the Fourth Proportional to 248,239,533.95, 342,570,540.61 and 143,878,139.72

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Solution

The fourth proportional to 248,239,533.95, 342,570,540.61 and 143,878,139.72 is: 198,551,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,239,533.95 : 342,570,540.61 = 143,878,139.72 : x
  2. Step 2: Convert to fraction form
    248,239,533.95/342,570,540.61 = 143,878,139.72/x
  3. Step 3: Cross multiply
    248,239,533.95x = 342,570,540.61 × 143,878,139.72
  4. Step 4: Simplify right side
    248,239,533.95x = 49,288,412,106,338,248
  5. Step 5: Solve for x
    x = 49,288,412,106,338,248/248,239,533.95
  6. Step 6: Final answer
    x = 198,551,823.41

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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.