Home / 80,592,005.20-120,888,007.80-58,085,150.80

Finding the Fourth Proportional to 80,592,005.20, 120,888,007.80 and 58,085,150.80

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Solution

The fourth proportional to 80,592,005.20, 120,888,007.80 and 58,085,150.80 is: 87,127,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,005.20 : 120,888,007.80 = 58,085,150.80 : x
  2. Step 2: Convert to fraction form
    80,592,005.20/120,888,007.80 = 58,085,150.80/x
  3. Step 3: Cross multiply
    80,592,005.20x = 120,888,007.80 × 58,085,150.80
  4. Step 4: Simplify right side
    80,592,005.20x = 7,021,798,162,974,576
  5. Step 5: Solve for x
    x = 7,021,798,162,974,576/80,592,005.20
  6. Step 6: Final answer
    x = 87,127,726.20

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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.