Home / 113,307,551.40-169,961,327.10-90,632,735.40

Finding the Fourth Proportional to 113,307,551.40, 169,961,327.10 and 90,632,735.40

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Solution

The fourth proportional to 113,307,551.40, 169,961,327.10 and 90,632,735.40 is: 135,949,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,307,551.40 : 169,961,327.10 = 90,632,735.40 : x
  2. Step 2: Convert to fraction form
    113,307,551.40/169,961,327.10 = 90,632,735.40/x
  3. Step 3: Cross multiply
    113,307,551.40x = 169,961,327.10 × 90,632,735.40
  4. Step 4: Simplify right side
    113,307,551.40x = 15,404,059,987,287,150
  5. Step 5: Solve for x
    x = 15,404,059,987,287,150/113,307,551.40
  6. Step 6: Final answer
    x = 135,949,103.10

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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.