Home / 112,293,352.20-168,440,028.30-54,756,006.60

Finding the Fourth Proportional to 112,293,352.20, 168,440,028.30 and 54,756,006.60

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Solution

The fourth proportional to 112,293,352.20, 168,440,028.30 and 54,756,006.60 is: 82,134,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,352.20 : 168,440,028.30 = 54,756,006.60 : x
  2. Step 2: Convert to fraction form
    112,293,352.20/168,440,028.30 = 54,756,006.60/x
  3. Step 3: Cross multiply
    112,293,352.20x = 168,440,028.30 × 54,756,006.60
  4. Step 4: Simplify right side
    112,293,352.20x = 9,223,103,301,298,988
  5. Step 5: Solve for x
    x = 9,223,103,301,298,988/112,293,352.20
  6. Step 6: Final answer
    x = 82,134,009.90

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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.