Home / 47,255,768.40-70,777,364.40-28,123,892.40

Finding the Fourth Proportional to 47,255,768.40, 70,777,364.40 and 28,123,892.40

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Solution

The fourth proportional to 47,255,768.40, 70,777,364.40 and 28,123,892.40 is: 42,122,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255,768.40 : 70,777,364.40 = 28,123,892.40 : x
  2. Step 2: Convert to fraction form
    47,255,768.40/70,777,364.40 = 28,123,892.40/x
  3. Step 3: Cross multiply
    47,255,768.40x = 70,777,364.40 × 28,123,892.40
  4. Step 4: Simplify right side
    47,255,768.40x = 1,990,534,980,741,190.50
  5. Step 5: Solve for x
    x = 1,990,534,980,741,190.50/47,255,768.40
  6. Step 6: Final answer
    x = 42,122,582.03

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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.