Home / 262,872,693.40-394,271,715.30-90,357,467.80

Finding the Fourth Proportional to 262,872,693.40, 394,271,715.30 and 90,357,467.80

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Solution

The fourth proportional to 262,872,693.40, 394,271,715.30 and 90,357,467.80 is: 135,523,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,872,693.40 : 394,271,715.30 = 90,357,467.80 : x
  2. Step 2: Convert to fraction form
    262,872,693.40/394,271,715.30 = 90,357,467.80/x
  3. Step 3: Cross multiply
    262,872,693.40x = 394,271,715.30 × 90,357,467.80
  4. Step 4: Simplify right side
    262,872,693.40x = 35,625,393,819,670,516
  5. Step 5: Solve for x
    x = 35,625,393,819,670,516/262,872,693.40
  6. Step 6: Final answer
    x = 135,523,372.01

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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.