Home / 42,361,329.34-63,497,757.21-20,766,029.50

Finding the Fourth Proportional to 42,361,329.34, 63,497,757.21 and 20,766,029.50

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Solution

The fourth proportional to 42,361,329.34, 63,497,757.21 and 20,766,029.50 is: 31,127,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,361,329.34 : 63,497,757.21 = 20,766,029.50 : x
  2. Step 2: Convert to fraction form
    42,361,329.34/63,497,757.21 = 20,766,029.50/x
  3. Step 3: Cross multiply
    42,361,329.34x = 63,497,757.21 × 20,766,029.50
  4. Step 4: Simplify right side
    42,361,329.34x = 1,318,596,299,406,697.75
  5. Step 5: Solve for x
    x = 1,318,596,299,406,697.75/42,361,329.34
  6. Step 6: Final answer
    x = 31,127,358.84

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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.