Home / 102,716,721.56-141,733,938.04-62,462,181.74

Finding the Fourth Proportional to 102,716,721.56, 141,733,938.04 and 62,462,181.74

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Solution

The fourth proportional to 102,716,721.56, 141,733,938.04 and 62,462,181.74 is: 86,188,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,716,721.56 : 141,733,938.04 = 62,462,181.74 : x
  2. Step 2: Convert to fraction form
    102,716,721.56/141,733,938.04 = 62,462,181.74/x
  3. Step 3: Cross multiply
    102,716,721.56x = 141,733,938.04 × 62,462,181.74
  4. Step 4: Simplify right side
    102,716,721.56x = 8,853,010,996,580,379
  5. Step 5: Solve for x
    x = 8,853,010,996,580,379/102,716,721.56
  6. Step 6: Final answer
    x = 86,188,605.54

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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.