Home / 126,015,967.35-189,051,713.28-38,578,145.69

Finding the Fourth Proportional to 126,015,967.35, 189,051,713.28 and 38,578,145.69

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Solution

The fourth proportional to 126,015,967.35, 189,051,713.28 and 38,578,145.69 is: 57,875,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015,967.35 : 189,051,713.28 = 38,578,145.69 : x
  2. Step 2: Convert to fraction form
    126,015,967.35/189,051,713.28 = 38,578,145.69/x
  3. Step 3: Cross multiply
    126,015,967.35x = 189,051,713.28 × 38,578,145.69
  4. Step 4: Simplify right side
    126,015,967.35x = 7,293,264,536,914,690
  5. Step 5: Solve for x
    x = 7,293,264,536,914,690/126,015,967.35
  6. Step 6: Final answer
    x = 57,875,717.58

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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.