Home / 127,070,792.48-190,686,807.48-54,288,121.52

Finding the Fourth Proportional to 127,070,792.48, 190,686,807.48 and 54,288,121.52

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Solution

The fourth proportional to 127,070,792.48, 190,686,807.48 and 54,288,121.52 is: 81,466,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070,792.48 : 190,686,807.48 = 54,288,121.52 : x
  2. Step 2: Convert to fraction form
    127,070,792.48/190,686,807.48 = 54,288,121.52/x
  3. Step 3: Cross multiply
    127,070,792.48x = 190,686,807.48 × 54,288,121.52
  4. Step 4: Simplify right side
    127,070,792.48x = 10,352,028,576,735,086
  5. Step 5: Solve for x
    x = 10,352,028,576,735,086/127,070,792.48
  6. Step 6: Final answer
    x = 81,466,624.82

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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.