Home / 103,615,388.20-155,218,379.10-52,534,066.60

Finding the Fourth Proportional to 103,615,388.20, 155,218,379.10 and 52,534,066.60

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Solution

The fourth proportional to 103,615,388.20, 155,218,379.10 and 52,534,066.60 is: 78,697,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615,388.20 : 155,218,379.10 = 52,534,066.60 : x
  2. Step 2: Convert to fraction form
    103,615,388.20/155,218,379.10 = 52,534,066.60/x
  3. Step 3: Cross multiply
    103,615,388.20x = 155,218,379.10 × 52,534,066.60
  4. Step 4: Simplify right side
    103,615,388.20x = 8,154,252,665,183,448
  5. Step 5: Solve for x
    x = 8,154,252,665,183,448/103,615,388.20
  6. Step 6: Final answer
    x = 78,697,313.27

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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.