Home / 127,111,567.60-190,667,351.40-40,858,693.30

Finding the Fourth Proportional to 127,111,567.60, 190,667,351.40 and 40,858,693.30

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Solution

The fourth proportional to 127,111,567.60, 190,667,351.40 and 40,858,693.30 is: 61,288,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,111,567.60 : 190,667,351.40 = 40,858,693.30 : x
  2. Step 2: Convert to fraction form
    127,111,567.60/190,667,351.40 = 40,858,693.30/x
  3. Step 3: Cross multiply
    127,111,567.60x = 190,667,351.40 × 40,858,693.30
  4. Step 4: Simplify right side
    127,111,567.60x = 7,790,418,833,175,925
  5. Step 5: Solve for x
    x = 7,790,418,833,175,925/127,111,567.60
  6. Step 6: Final answer
    x = 61,288,039.95

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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.