Home / 160,126,661.44-240,103,659.12-86,389,963.84

Finding the Fourth Proportional to 160,126,661.44, 240,103,659.12 and 86,389,963.84

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Solution

The fourth proportional to 160,126,661.44, 240,103,659.12 and 86,389,963.84 is: 129,538,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,126,661.44 : 240,103,659.12 = 86,389,963.84 : x
  2. Step 2: Convert to fraction form
    160,126,661.44/240,103,659.12 = 86,389,963.84/x
  3. Step 3: Cross multiply
    160,126,661.44x = 240,103,659.12 × 86,389,963.84
  4. Step 4: Simplify right side
    160,126,661.44x = 20,742,546,429,228,488
  5. Step 5: Solve for x
    x = 20,742,546,429,228,488/160,126,661.44
  6. Step 6: Final answer
    x = 129,538,368.21

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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.