Home / 107,420,518.26-161,130,631.59-49,881,325.86

Finding the Fourth Proportional to 107,420,518.26, 161,130,631.59 and 49,881,325.86

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Solution

The fourth proportional to 107,420,518.26, 161,130,631.59 and 49,881,325.86 is: 74,821,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420,518.26 : 161,130,631.59 = 49,881,325.86 : x
  2. Step 2: Convert to fraction form
    107,420,518.26/161,130,631.59 = 49,881,325.86/x
  3. Step 3: Cross multiply
    107,420,518.26x = 161,130,631.59 × 49,881,325.86
  4. Step 4: Simplify right side
    107,420,518.26x = 8,037,409,540,368,400
  5. Step 5: Solve for x
    x = 8,037,409,540,368,400/107,420,518.26
  6. Step 6: Final answer
    x = 74,821,921.09

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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.