Home / 112,077,312.20-168,115,968.30-54,681,684.20

Finding the Fourth Proportional to 112,077,312.20, 168,115,968.30 and 54,681,684.20

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Solution

The fourth proportional to 112,077,312.20, 168,115,968.30 and 54,681,684.20 is: 82,022,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077,312.20 : 168,115,968.30 = 54,681,684.20 : x
  2. Step 2: Convert to fraction form
    112,077,312.20/168,115,968.30 = 54,681,684.20/x
  3. Step 3: Cross multiply
    112,077,312.20x = 168,115,968.30 × 54,681,684.20
  4. Step 4: Simplify right side
    112,077,312.20x = 9,192,864,287,557,812
  5. Step 5: Solve for x
    x = 9,192,864,287,557,812/112,077,312.20
  6. Step 6: Final answer
    x = 82,022,526.30

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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.