Home / 42,380,690.70-63,571,036.05-39,510,909.30

Finding the Fourth Proportional to 42,380,690.70, 63,571,036.05 and 39,510,909.30

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Solution

The fourth proportional to 42,380,690.70, 63,571,036.05 and 39,510,909.30 is: 59,266,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380,690.70 : 63,571,036.05 = 39,510,909.30 : x
  2. Step 2: Convert to fraction form
    42,380,690.70/63,571,036.05 = 39,510,909.30/x
  3. Step 3: Cross multiply
    42,380,690.70x = 63,571,036.05 × 39,510,909.30
  4. Step 4: Simplify right side
    42,380,690.70x = 2,511,749,439,478,580
  5. Step 5: Solve for x
    x = 2,511,749,439,478,580/42,380,690.70
  6. Step 6: Final answer
    x = 59,266,363.95

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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.