Home / 138,444,278.16-207,519,973.56-52,145,346

Finding the Fourth Proportional to 138,444,278.16, 207,519,973.56 and 52,145,346

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Solution

The fourth proportional to 138,444,278.16, 207,519,973.56 and 52,145,346 is: 78,162,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,444,278.16 : 207,519,973.56 = 52,145,346 : x
  2. Step 2: Convert to fraction form
    138,444,278.16/207,519,973.56 = 52,145,346/x
  3. Step 3: Cross multiply
    138,444,278.16x = 207,519,973.56 × 52,145,346
  4. Step 4: Simplify right side
    138,444,278.16x = 10,821,200,823,197,052
  5. Step 5: Solve for x
    x = 10,821,200,823,197,052/138,444,278.16
  6. Step 6: Final answer
    x = 78,162,860.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.