Home / 43,939,939.80-65,909,909.70-42,148,349.40

Finding the Fourth Proportional to 43,939,939.80, 65,909,909.70 and 42,148,349.40

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Solution

The fourth proportional to 43,939,939.80, 65,909,909.70 and 42,148,349.40 is: 63,222,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939,939.80 : 65,909,909.70 = 42,148,349.40 : x
  2. Step 2: Convert to fraction form
    43,939,939.80/65,909,909.70 = 42,148,349.40/x
  3. Step 3: Cross multiply
    43,939,939.80x = 65,909,909.70 × 42,148,349.40
  4. Step 4: Simplify right side
    43,939,939.80x = 2,777,993,902,958,049
  5. Step 5: Solve for x
    x = 2,777,993,902,958,049/43,939,939.80
  6. Step 6: Final answer
    x = 63,222,524.10

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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.