Home / 215,263,397.34-322,946,415.28-69,697,002.56

Finding the Fourth Proportional to 215,263,397.34, 322,946,415.28 and 69,697,002.56

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Solution

The fourth proportional to 215,263,397.34, 322,946,415.28 and 69,697,002.56 is: 104,562,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,263,397.34 : 322,946,415.28 = 69,697,002.56 : x
  2. Step 2: Convert to fraction form
    215,263,397.34/322,946,415.28 = 69,697,002.56/x
  3. Step 3: Cross multiply
    215,263,397.34x = 322,946,415.28 × 69,697,002.56
  4. Step 4: Simplify right side
    215,263,397.34x = 22,508,397,131,357,132
  5. Step 5: Solve for x
    x = 22,508,397,131,357,132/215,263,397.34
  6. Step 6: Final answer
    x = 104,562,119.75

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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.