Home / 47,255,739.40-70,777,320.90-28,123,863.40

Finding the Fourth Proportional to 47,255,739.40, 70,777,320.90 and 28,123,863.40

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Solution

The fourth proportional to 47,255,739.40, 70,777,320.90 and 28,123,863.40 is: 42,122,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255,739.40 : 70,777,320.90 = 28,123,863.40 : x
  2. Step 2: Convert to fraction form
    47,255,739.40/70,777,320.90 = 28,123,863.40/x
  3. Step 3: Cross multiply
    47,255,739.40x = 70,777,320.90 × 28,123,863.40
  4. Step 4: Simplify right side
    47,255,739.40x = 1,990,531,704,809,565
  5. Step 5: Solve for x
    x = 1,990,531,704,809,565/47,255,739.40
  6. Step 6: Final answer
    x = 42,122,538.55

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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.