Home / 113,647,767.39-156,876,567.80-74,492,066.43

Finding the Fourth Proportional to 113,647,767.39, 156,876,567.80 and 74,492,066.43

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Solution

The fourth proportional to 113,647,767.39, 156,876,567.80 and 74,492,066.43 is: 102,827,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,647,767.39 : 156,876,567.80 = 74,492,066.43 : x
  2. Step 2: Convert to fraction form
    113,647,767.39/156,876,567.80 = 74,492,066.43/x
  3. Step 3: Cross multiply
    113,647,767.39x = 156,876,567.80 × 74,492,066.43
  4. Step 4: Simplify right side
    113,647,767.39x = 11,686,059,709,495,538
  5. Step 5: Solve for x
    x = 11,686,059,709,495,538/113,647,767.39
  6. Step 6: Final answer
    x = 102,827,006.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.