Home / 343,167,814.84-514,755,314.41-135,956,656.19

Finding the Fourth Proportional to 343,167,814.84, 514,755,314.41 and 135,956,656.19

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Solution

The fourth proportional to 343,167,814.84, 514,755,314.41 and 135,956,656.19 is: 203,936,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,167,814.84 : 514,755,314.41 = 135,956,656.19 : x
  2. Step 2: Convert to fraction form
    343,167,814.84/514,755,314.41 = 135,956,656.19/x
  3. Step 3: Cross multiply
    343,167,814.84x = 514,755,314.41 × 135,956,656.19
  4. Step 4: Simplify right side
    343,167,814.84x = 69,984,411,301,588,944
  5. Step 5: Solve for x
    x = 69,984,411,301,588,944/343,167,814.84
  6. Step 6: Final answer
    x = 203,936,407.42

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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.