Home / 50,291,627.20-75,470,618.40-18,378,923.20

Finding the Fourth Proportional to 50,291,627.20, 75,470,618.40 and 18,378,923.20

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Solution

The fourth proportional to 50,291,627.20, 75,470,618.40 and 18,378,923.20 is: 27,580,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,291,627.20 : 75,470,618.40 = 18,378,923.20 : x
  2. Step 2: Convert to fraction form
    50,291,627.20/75,470,618.40 = 18,378,923.20/x
  3. Step 3: Cross multiply
    50,291,627.20x = 75,470,618.40 × 18,378,923.20
  4. Step 4: Simplify right side
    50,291,627.20x = 1,387,068,699,430,107
  5. Step 5: Solve for x
    x = 1,387,068,699,430,107/50,291,627.20
  6. Step 6: Final answer
    x = 27,580,509.45

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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.