Home / 90,893,037.51-125,432,532.10-51,734,813.85

Finding the Fourth Proportional to 90,893,037.51, 125,432,532.10 and 51,734,813.85

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Solution

The fourth proportional to 90,893,037.51, 125,432,532.10 and 51,734,813.85 is: 71,394,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893,037.51 : 125,432,532.10 = 51,734,813.85 : x
  2. Step 2: Convert to fraction form
    90,893,037.51/125,432,532.10 = 51,734,813.85/x
  3. Step 3: Cross multiply
    90,893,037.51x = 125,432,532.10 × 51,734,813.85
  4. Step 4: Simplify right side
    90,893,037.51x = 6,489,228,698,927,649
  5. Step 5: Solve for x
    x = 6,489,228,698,927,649/90,893,037.51
  6. Step 6: Final answer
    x = 71,394,122.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.