Home / 204,768,053.30-307,152,079.95-128,240,549.30

Finding the Fourth Proportional to 204,768,053.30, 307,152,079.95 and 128,240,549.30

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Solution

The fourth proportional to 204,768,053.30, 307,152,079.95 and 128,240,549.30 is: 192,360,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,768,053.30 : 307,152,079.95 = 128,240,549.30 : x
  2. Step 2: Convert to fraction form
    204,768,053.30/307,152,079.95 = 128,240,549.30/x
  3. Step 3: Cross multiply
    204,768,053.30x = 307,152,079.95 × 128,240,549.30
  4. Step 4: Simplify right side
    204,768,053.30x = 39,389,351,451,425,512
  5. Step 5: Solve for x
    x = 39,389,351,451,425,512/204,768,053.30
  6. Step 6: Final answer
    x = 192,360,823.95

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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.