Home / 145,542,296.40-218,313,444.60-69,014,792.40

Finding the Fourth Proportional to 145,542,296.40, 218,313,444.60 and 69,014,792.40

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Solution

The fourth proportional to 145,542,296.40, 218,313,444.60 and 69,014,792.40 is: 103,522,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,542,296.40 : 218,313,444.60 = 69,014,792.40 : x
  2. Step 2: Convert to fraction form
    145,542,296.40/218,313,444.60 = 69,014,792.40/x
  3. Step 3: Cross multiply
    145,542,296.40x = 218,313,444.60 × 69,014,792.40
  4. Step 4: Simplify right side
    145,542,296.40x = 15,066,857,057,197,902
  5. Step 5: Solve for x
    x = 15,066,857,057,197,902/145,542,296.40
  6. Step 6: Final answer
    x = 103,522,188.60

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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.