Home / 69,542,637.60-104,313,956.40-69,038,752.80

Finding the Fourth Proportional to 69,542,637.60, 104,313,956.40 and 69,038,752.80

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Solution

The fourth proportional to 69,542,637.60, 104,313,956.40 and 69,038,752.80 is: 103,558,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542,637.60 : 104,313,956.40 = 69,038,752.80 : x
  2. Step 2: Convert to fraction form
    69,542,637.60/104,313,956.40 = 69,038,752.80/x
  3. Step 3: Cross multiply
    69,542,637.60x = 104,313,956.40 × 69,038,752.80
  4. Step 4: Simplify right side
    69,542,637.60x = 7,201,705,449,489,578
  5. Step 5: Solve for x
    x = 7,201,705,449,489,578/69,542,637.60
  6. Step 6: Final answer
    x = 103,558,129.20

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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.