Home / 107,353,969.66-148,154,820.87-80,845,555.04

Finding the Fourth Proportional to 107,353,969.66, 148,154,820.87 and 80,845,555.04

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Solution

The fourth proportional to 107,353,969.66, 148,154,820.87 and 80,845,555.04 is: 111,571,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,353,969.66 : 148,154,820.87 = 80,845,555.04 : x
  2. Step 2: Convert to fraction form
    107,353,969.66/148,154,820.87 = 80,845,555.04/x
  3. Step 3: Cross multiply
    107,353,969.66x = 148,154,820.87 × 80,845,555.04
  4. Step 4: Simplify right side
    107,353,969.66x = 11,977,658,725,086,928
  5. Step 5: Solve for x
    x = 11,977,658,725,086,928/107,353,969.66
  6. Step 6: Final answer
    x = 111,571,642.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.