Home / 108,805,212.30-163,207,818.45-28,026,180.30

Finding the Fourth Proportional to 108,805,212.30, 163,207,818.45 and 28,026,180.30

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Solution

The fourth proportional to 108,805,212.30, 163,207,818.45 and 28,026,180.30 is: 42,039,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,805,212.30 : 163,207,818.45 = 28,026,180.30 : x
  2. Step 2: Convert to fraction form
    108,805,212.30/163,207,818.45 = 28,026,180.30/x
  3. Step 3: Cross multiply
    108,805,212.30x = 163,207,818.45 × 28,026,180.30
  4. Step 4: Simplify right side
    108,805,212.30x = 4,574,091,746,249,366
  5. Step 5: Solve for x
    x = 4,574,091,746,249,366/108,805,212.30
  6. Step 6: Final answer
    x = 42,039,270.45

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Double scale
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Similar ratio
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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.