Home / 132,864,302.40-199,327,946.40-68,178,091.20

Finding the Fourth Proportional to 132,864,302.40, 199,327,946.40 and 68,178,091.20

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Solution

The fourth proportional to 132,864,302.40, 199,327,946.40 and 68,178,091.20 is: 102,283,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864,302.40 : 199,327,946.40 = 68,178,091.20 : x
  2. Step 2: Convert to fraction form
    132,864,302.40/199,327,946.40 = 68,178,091.20/x
  3. Step 3: Cross multiply
    132,864,302.40x = 199,327,946.40 × 68,178,091.20
  4. Step 4: Simplify right side
    132,864,302.40x = 13,589,798,908,367,912
  5. Step 5: Solve for x
    x = 13,589,798,908,367,912/132,864,302.40
  6. Step 6: Final answer
    x = 102,283,297.04

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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.