Home / 217,258,426.31-299,822,310.60-118,144,970.47

Finding the Fourth Proportional to 217,258,426.31, 299,822,310.60 and 118,144,970.47

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Solution

The fourth proportional to 217,258,426.31, 299,822,310.60 and 118,144,970.47 is: 163,043,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258,426.31 : 299,822,310.60 = 118,144,970.47 : x
  2. Step 2: Convert to fraction form
    217,258,426.31/299,822,310.60 = 118,144,970.47/x
  3. Step 3: Cross multiply
    217,258,426.31x = 299,822,310.60 × 118,144,970.47
  4. Step 4: Simplify right side
    217,258,426.31x = 35,422,498,029,994,336
  5. Step 5: Solve for x
    x = 35,422,498,029,994,336/217,258,426.31
  6. Step 6: Final answer
    x = 163,043,149.27

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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.