Home / 108,805,947.80-163,208,921.70-28,026,915.80

Finding the Fourth Proportional to 108,805,947.80, 163,208,921.70 and 28,026,915.80

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Solution

The fourth proportional to 108,805,947.80, 163,208,921.70 and 28,026,915.80 is: 42,040,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,805,947.80 : 163,208,921.70 = 28,026,915.80 : x
  2. Step 2: Convert to fraction form
    108,805,947.80/163,208,921.70 = 28,026,915.80/x
  3. Step 3: Cross multiply
    108,805,947.80x = 163,208,921.70 × 28,026,915.80
  4. Step 4: Simplify right side
    108,805,947.80x = 4,574,242,706,294,693
  5. Step 5: Solve for x
    x = 4,574,242,706,294,693/108,805,947.80
  6. Step 6: Final answer
    x = 42,040,373.70

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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.