Home / 315,927,380.25-473,955,704.51-108,638,869.54

Finding the Fourth Proportional to 315,927,380.25, 473,955,704.51 and 108,638,869.54

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Solution

The fourth proportional to 315,927,380.25, 473,955,704.51 and 108,638,869.54 is: 162,980,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,927,380.25 : 473,955,704.51 = 108,638,869.54 : x
  2. Step 2: Convert to fraction form
    315,927,380.25/473,955,704.51 = 108,638,869.54/x
  3. Step 3: Cross multiply
    315,927,380.25x = 473,955,704.51 × 108,638,869.54
  4. Step 4: Simplify right side
    315,927,380.25x = 51,490,011,947,982,824
  5. Step 5: Solve for x
    x = 51,490,011,947,982,824/315,927,380.25
  6. Step 6: Final answer
    x = 162,980,530.23

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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.