Home / 168,684,917.14-253,061,886.12-58,006,212.78

Finding the Fourth Proportional to 168,684,917.14, 253,061,886.12 and 58,006,212.78

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Solution

The fourth proportional to 168,684,917.14, 253,061,886.12 and 58,006,212.78 is: 87,021,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,684,917.14 : 253,061,886.12 = 58,006,212.78 : x
  2. Step 2: Convert to fraction form
    168,684,917.14/253,061,886.12 = 58,006,212.78/x
  3. Step 3: Cross multiply
    168,684,917.14x = 253,061,886.12 × 58,006,212.78
  4. Step 4: Simplify right side
    168,684,917.14x = 14,679,161,613,515,222
  5. Step 5: Solve for x
    x = 14,679,161,613,515,222/168,684,917.14
  6. Step 6: Final answer
    x = 87,021,186.38

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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.