Home / 101,697,873.18-140,344,661.79-55,288,304.34

Finding the Fourth Proportional to 101,697,873.18, 140,344,661.79 and 55,288,304.34

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Solution

The fourth proportional to 101,697,873.18, 140,344,661.79 and 55,288,304.34 is: 76,298,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,697,873.18 : 140,344,661.79 = 55,288,304.34 : x
  2. Step 2: Convert to fraction form
    101,697,873.18/140,344,661.79 = 55,288,304.34/x
  3. Step 3: Cross multiply
    101,697,873.18x = 140,344,661.79 × 55,288,304.34
  4. Step 4: Simplify right side
    101,697,873.18x = 7,759,418,373,539,889
  5. Step 5: Solve for x
    x = 7,759,418,373,539,889/101,697,873.18
  6. Step 6: Final answer
    x = 76,298,728.09

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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.