Home / 126,364,772.96-189,547,159.92-30,626,660.96

Finding the Fourth Proportional to 126,364,772.96, 189,547,159.92 and 30,626,660.96

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Solution

The fourth proportional to 126,364,772.96, 189,547,159.92 and 30,626,660.96 is: 45,939,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,364,772.96 : 189,547,159.92 = 30,626,660.96 : x
  2. Step 2: Convert to fraction form
    126,364,772.96/189,547,159.92 = 30,626,660.96/x
  3. Step 3: Cross multiply
    126,364,772.96x = 189,547,159.92 × 30,626,660.96
  4. Step 4: Simplify right side
    126,364,772.96x = 5,805,196,602,800,740
  5. Step 5: Solve for x
    x = 5,805,196,602,800,740/126,364,772.96
  6. Step 6: Final answer
    x = 45,939,991.56

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1.5x scale

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.