Home / 201,088,588.80-301,782,182.40-80,006,937.60

Finding the Fourth Proportional to 201,088,588.80, 301,782,182.40 and 80,006,937.60

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Solution

The fourth proportional to 201,088,588.80, 301,782,182.40 and 80,006,937.60 is: 120,069,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,088,588.80 : 301,782,182.40 = 80,006,937.60 : x
  2. Step 2: Convert to fraction form
    201,088,588.80/301,782,182.40 = 80,006,937.60/x
  3. Step 3: Cross multiply
    201,088,588.80x = 301,782,182.40 × 80,006,937.60
  4. Step 4: Simplify right side
    201,088,588.80x = 24,144,668,236,068,616
  5. Step 5: Solve for x
    x = 24,144,668,236,068,616/201,088,588.80
  6. Step 6: Final answer
    x = 120,069,807.94

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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.