Home / 132,858,066.30-199,287,099.45-81,573,791.10

Finding the Fourth Proportional to 132,858,066.30, 199,287,099.45 and 81,573,791.10

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Solution

The fourth proportional to 132,858,066.30, 199,287,099.45 and 81,573,791.10 is: 122,360,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,066.30 : 199,287,099.45 = 81,573,791.10 : x
  2. Step 2: Convert to fraction form
    132,858,066.30/199,287,099.45 = 81,573,791.10/x
  3. Step 3: Cross multiply
    132,858,066.30x = 199,287,099.45 × 81,573,791.10
  4. Step 4: Simplify right side
    132,858,066.30x = 16,256,604,219,459,222
  5. Step 5: Solve for x
    x = 16,256,604,219,459,222/132,858,066.30
  6. Step 6: Final answer
    x = 122,360,686.65

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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.