Home / 112,499,956.81-168,413,723.65-68,049,722.49

Finding the Fourth Proportional to 112,499,956.81, 168,413,723.65 and 68,049,722.49

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Solution

The fourth proportional to 112,499,956.81, 168,413,723.65 and 68,049,722.49 is: 101,871,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,499,956.81 : 168,413,723.65 = 68,049,722.49 : x
  2. Step 2: Convert to fraction form
    112,499,956.81/168,413,723.65 = 68,049,722.49/x
  3. Step 3: Cross multiply
    112,499,956.81x = 168,413,723.65 × 68,049,722.49
  4. Step 4: Simplify right side
    112,499,956.81x = 11,460,507,157,343,560
  5. Step 5: Solve for x
    x = 11,460,507,157,343,560/112,499,956.81
  6. Step 6: Final answer
    x = 101,871,213.84

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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.