Home / 200,203,670.80-300,305,506.20-157,205,501.20

Finding the Fourth Proportional to 200,203,670.80, 300,305,506.20 and 157,205,501.20

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Solution

The fourth proportional to 200,203,670.80, 300,305,506.20 and 157,205,501.20 is: 235,808,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,203,670.80 : 300,305,506.20 = 157,205,501.20 : x
  2. Step 2: Convert to fraction form
    200,203,670.80/300,305,506.20 = 157,205,501.20/x
  3. Step 3: Cross multiply
    200,203,670.80x = 300,305,506.20 × 157,205,501.20
  4. Step 4: Simplify right side
    200,203,670.80x = 47,209,677,615,290,704
  5. Step 5: Solve for x
    x = 47,209,677,615,290,704/200,203,670.80
  6. Step 6: Final answer
    x = 235,808,251.80

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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.