Home / 112,003,604.55-154,564,422.17-64,970,190.32

Finding the Fourth Proportional to 112,003,604.55, 154,564,422.17 and 64,970,190.32

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Solution

The fourth proportional to 112,003,604.55, 154,564,422.17 and 64,970,190.32 is: 89,658,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003,604.55 : 154,564,422.17 = 64,970,190.32 : x
  2. Step 2: Convert to fraction form
    112,003,604.55/154,564,422.17 = 64,970,190.32/x
  3. Step 3: Cross multiply
    112,003,604.55x = 154,564,422.17 × 64,970,190.32
  4. Step 4: Simplify right side
    112,003,604.55x = 10,042,079,924,643,646
  5. Step 5: Solve for x
    x = 10,042,079,924,643,646/112,003,604.55
  6. Step 6: Final answer
    x = 89,658,542.37

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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.