Home / 343,167,815.22-514,755,314.97-135,956,656.56

Finding the Fourth Proportional to 343,167,815.22, 514,755,314.97 and 135,956,656.56

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Solution

The fourth proportional to 343,167,815.22, 514,755,314.97 and 135,956,656.56 is: 203,936,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,167,815.22 : 514,755,314.97 = 135,956,656.56 : x
  2. Step 2: Convert to fraction form
    343,167,815.22/514,755,314.97 = 135,956,656.56/x
  3. Step 3: Cross multiply
    343,167,815.22x = 514,755,314.97 × 135,956,656.56
  4. Step 4: Simplify right side
    343,167,815.22x = 69,984,411,569,810,920
  5. Step 5: Solve for x
    x = 69,984,411,569,810,920/343,167,815.22
  6. Step 6: Final answer
    x = 203,936,407.98

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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.