Home / 247,322,818.58-370,996,159.38-81,322,648.35

Finding the Fourth Proportional to 247,322,818.58, 370,996,159.38 and 81,322,648.35

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Solution

The fourth proportional to 247,322,818.58, 370,996,159.38 and 81,322,648.35 is: 121,987,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,322,818.58 : 370,996,159.38 = 81,322,648.35 : x
  2. Step 2: Convert to fraction form
    247,322,818.58/370,996,159.38 = 81,322,648.35/x
  3. Step 3: Cross multiply
    247,322,818.58x = 370,996,159.38 × 81,322,648.35
  4. Step 4: Simplify right side
    247,322,818.58x = 30,170,390,208,460,292
  5. Step 5: Solve for x
    x = 30,170,390,208,460,292/247,322,818.58
  6. Step 6: Final answer
    x = 121,987,895.75

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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.