Home / 86,357,916.44-129,405,061.89-51,273,943.31

Finding the Fourth Proportional to 86,357,916.44, 129,405,061.89 and 51,273,943.31

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Solution

The fourth proportional to 86,357,916.44, 129,405,061.89 and 51,273,943.31 is: 76,832,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,357,916.44 : 129,405,061.89 = 51,273,943.31 : x
  2. Step 2: Convert to fraction form
    86,357,916.44/129,405,061.89 = 51,273,943.31/x
  3. Step 3: Cross multiply
    86,357,916.44x = 129,405,061.89 × 51,273,943.31
  4. Step 4: Simplify right side
    86,357,916.44x = 6,635,107,806,727,876
  5. Step 5: Solve for x
    x = 6,635,107,806,727,876/86,357,916.44
  6. Step 6: Final answer
    x = 76,832,652.76

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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.