Home / 127,052,825.70-175,370,455.05-74,858,726.10

Finding the Fourth Proportional to 127,052,825.70, 175,370,455.05 and 74,858,726.10

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Solution

The fourth proportional to 127,052,825.70, 175,370,455.05 and 74,858,726.10 is: 103,327,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,052,825.70 : 175,370,455.05 = 74,858,726.10 : x
  2. Step 2: Convert to fraction form
    127,052,825.70/175,370,455.05 = 74,858,726.10/x
  3. Step 3: Cross multiply
    127,052,825.70x = 175,370,455.05 × 74,858,726.10
  4. Step 4: Simplify right side
    127,052,825.70x = 13,128,008,860,620,312
  5. Step 5: Solve for x
    x = 13,128,008,860,620,312/127,052,825.70
  6. Step 6: Final answer
    x = 103,327,169.53

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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.