Home / 50,161,982.40-75,242,973.60-28,638,621.90

Finding the Fourth Proportional to 50,161,982.40, 75,242,973.60 and 28,638,621.90

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Solution

The fourth proportional to 50,161,982.40, 75,242,973.60 and 28,638,621.90 is: 42,957,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,161,982.40 : 75,242,973.60 = 28,638,621.90 : x
  2. Step 2: Convert to fraction form
    50,161,982.40/75,242,973.60 = 28,638,621.90/x
  3. Step 3: Cross multiply
    50,161,982.40x = 75,242,973.60 × 28,638,621.90
  4. Step 4: Simplify right side
    50,161,982.40x = 2,154,855,071,562,081.50
  5. Step 5: Solve for x
    x = 2,154,855,071,562,081.50/50,161,982.40
  6. Step 6: Final answer
    x = 42,957,932.85

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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.