Home / 248,208,118.41-342,516,149.78-142,285,598.18

Finding the Fourth Proportional to 248,208,118.41, 342,516,149.78 and 142,285,598.18

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Solution

The fourth proportional to 248,208,118.41, 342,516,149.78 and 142,285,598.18 is: 196,347,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,208,118.41 : 342,516,149.78 = 142,285,598.18 : x
  2. Step 2: Convert to fraction form
    248,208,118.41/342,516,149.78 = 142,285,598.18/x
  3. Step 3: Cross multiply
    248,208,118.41x = 342,516,149.78 × 142,285,598.18
  4. Step 4: Simplify right side
    248,208,118.41x = 48,735,115,255,333,768
  5. Step 5: Solve for x
    x = 48,735,115,255,333,768/248,208,118.41
  6. Step 6: Final answer
    x = 196,347,788.97

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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.