Home / 75,124,945.56-103,769,674.64-62,124,717.72

Finding the Fourth Proportional to 75,124,945.56, 103,769,674.64 and 62,124,717.72

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Solution

The fourth proportional to 75,124,945.56, 103,769,674.64 and 62,124,717.72 is: 85,812,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,124,945.56 : 103,769,674.64 = 62,124,717.72 : x
  2. Step 2: Convert to fraction form
    75,124,945.56/103,769,674.64 = 62,124,717.72/x
  3. Step 3: Cross multiply
    75,124,945.56x = 103,769,674.64 × 62,124,717.72
  4. Step 4: Simplify right side
    75,124,945.56x = 6,446,661,745,566,864
  5. Step 5: Solve for x
    x = 6,446,661,745,566,864/75,124,945.56
  6. Step 6: Final answer
    x = 85,812,531.34

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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.