Home / 162,249,811.43-223,915,725.09-91,660,939.07

Finding the Fourth Proportional to 162,249,811.43, 223,915,725.09 and 91,660,939.07

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Solution

The fourth proportional to 162,249,811.43, 223,915,725.09 and 91,660,939.07 is: 126,498,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,249,811.43 : 223,915,725.09 = 91,660,939.07 : x
  2. Step 2: Convert to fraction form
    162,249,811.43/223,915,725.09 = 91,660,939.07/x
  3. Step 3: Cross multiply
    162,249,811.43x = 223,915,725.09 × 91,660,939.07
  4. Step 4: Simplify right side
    162,249,811.43x = 20,524,325,634,289,360
  5. Step 5: Solve for x
    x = 20,524,325,634,289,360/162,249,811.43
  6. Step 6: Final answer
    x = 126,498,301.93

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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.