Home / 127,488,347.77-190,836,667.36-69,050,884.81

Finding the Fourth Proportional to 127,488,347.77, 190,836,667.36 and 69,050,884.81

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Solution

The fourth proportional to 127,488,347.77, 190,836,667.36 and 69,050,884.81 is: 103,361,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488,347.77 : 190,836,667.36 = 69,050,884.81 : x
  2. Step 2: Convert to fraction form
    127,488,347.77/190,836,667.36 = 69,050,884.81/x
  3. Step 3: Cross multiply
    127,488,347.77x = 190,836,667.36 × 69,050,884.81
  4. Step 4: Simplify right side
    127,488,347.77x = 13,177,440,735,399,648
  5. Step 5: Solve for x
    x = 13,177,440,735,399,648/127,488,347.77
  6. Step 6: Final answer
    x = 103,361,922.61

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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.