Home / 113,199,617.36-156,214,532.89-63,640,211.97

Finding the Fourth Proportional to 113,199,617.36, 156,214,532.89 and 63,640,211.97

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Solution

The fourth proportional to 113,199,617.36, 156,214,532.89 and 63,640,211.97 is: 87,822,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,199,617.36 : 156,214,532.89 = 63,640,211.97 : x
  2. Step 2: Convert to fraction form
    113,199,617.36/156,214,532.89 = 63,640,211.97/x
  3. Step 3: Cross multiply
    113,199,617.36x = 156,214,532.89 × 63,640,211.97
  4. Step 4: Simplify right side
    113,199,617.36x = 9,941,525,985,914,136
  5. Step 5: Solve for x
    x = 9,941,525,985,914,136/113,199,617.36
  6. Step 6: Final answer
    x = 87,822,964.58

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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.