Home / 248,364,143.50-342,749,829.12-136,862,166.89

Finding the Fourth Proportional to 248,364,143.50, 342,749,829.12 and 136,862,166.89

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Solution

The fourth proportional to 248,364,143.50, 342,749,829.12 and 136,862,166.89 is: 188,873,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,364,143.50 : 342,749,829.12 = 136,862,166.89 : x
  2. Step 2: Convert to fraction form
    248,364,143.50/342,749,829.12 = 136,862,166.89/x
  3. Step 3: Cross multiply
    248,364,143.50x = 342,749,829.12 × 136,862,166.89
  4. Step 4: Simplify right side
    248,364,143.50x = 46,909,484,313,598,744
  5. Step 5: Solve for x
    x = 46,909,484,313,598,744/248,364,143.50
  6. Step 6: Final answer
    x = 188,873,819.11

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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.