Home / 250,454,289.35-345,483,321.93-156,204,807.57

Finding the Fourth Proportional to 250,454,289.35, 345,483,321.93 and 156,204,807.57

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Solution

The fourth proportional to 250,454,289.35, 345,483,321.93 and 156,204,807.57 is: 215,473,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,454,289.35 : 345,483,321.93 = 156,204,807.57 : x
  2. Step 2: Convert to fraction form
    250,454,289.35/345,483,321.93 = 156,204,807.57/x
  3. Step 3: Cross multiply
    250,454,289.35x = 345,483,321.93 × 156,204,807.57
  4. Step 4: Simplify right side
    250,454,289.35x = 53,966,155,820,720,008
  5. Step 5: Solve for x
    x = 53,966,155,820,720,008/250,454,289.35
  6. Step 6: Final answer
    x = 215,473,074.79

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1.5x scale

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.