Home / 117,967,890.81-162,865,435.29-104,878,917.25

Finding the Fourth Proportional to 117,967,890.81, 162,865,435.29 and 104,878,917.25

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Solution

The fourth proportional to 117,967,890.81, 162,865,435.29 and 104,878,917.25 is: 144,794,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,967,890.81 : 162,865,435.29 = 104,878,917.25 : x
  2. Step 2: Convert to fraction form
    117,967,890.81/162,865,435.29 = 104,878,917.25/x
  3. Step 3: Cross multiply
    117,967,890.81x = 162,865,435.29 × 104,878,917.25
  4. Step 4: Simplify right side
    117,967,890.81x = 17,081,150,509,864,680
  5. Step 5: Solve for x
    x = 17,081,150,509,864,680/117,967,890.81
  6. Step 6: Final answer
    x = 144,794,913.19

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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.