Home / 76,616,456.96-105,732,943.61-41,811,389.36

Finding the Fourth Proportional to 76,616,456.96, 105,732,943.61 and 41,811,389.36

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Solution

The fourth proportional to 76,616,456.96, 105,732,943.61 and 41,811,389.36 is: 57,700,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,456.96 : 105,732,943.61 = 41,811,389.36 : x
  2. Step 2: Convert to fraction form
    76,616,456.96/105,732,943.61 = 41,811,389.36/x
  3. Step 3: Cross multiply
    76,616,456.96x = 105,732,943.61 × 41,811,389.36
  4. Step 4: Simplify right side
    76,616,456.96x = 4,420,841,272,718,912
  5. Step 5: Solve for x
    x = 4,420,841,272,718,912/76,616,456.96
  6. Step 6: Final answer
    x = 57,700,935.91

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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.