Home / 220,051,711.60-330,077,567.40-203,423,513.20

Finding the Fourth Proportional to 220,051,711.60, 330,077,567.40 and 203,423,513.20

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Solution

The fourth proportional to 220,051,711.60, 330,077,567.40 and 203,423,513.20 is: 305,135,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051,711.60 : 330,077,567.40 = 203,423,513.20 : x
  2. Step 2: Convert to fraction form
    220,051,711.60/330,077,567.40 = 203,423,513.20/x
  3. Step 3: Cross multiply
    220,051,711.60x = 330,077,567.40 × 203,423,513.20
  4. Step 4: Simplify right side
    220,051,711.60x = 67,145,538,389,017,784
  5. Step 5: Solve for x
    x = 67,145,538,389,017,784/220,051,711.60
  6. Step 6: Final answer
    x = 305,135,269.80

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Similar ratio
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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.