Home / 76,616,465.72-105,732,955.73-41,811,398.15

Finding the Fourth Proportional to 76,616,465.72, 105,732,955.73 and 41,811,398.15

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Solution

The fourth proportional to 76,616,465.72, 105,732,955.73 and 41,811,398.15 is: 57,700,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,465.72 : 105,732,955.73 = 41,811,398.15 : x
  2. Step 2: Convert to fraction form
    76,616,465.72/105,732,955.73 = 41,811,398.15/x
  3. Step 3: Cross multiply
    76,616,465.72x = 105,732,955.73 × 41,811,398.15
  4. Step 4: Simplify right side
    76,616,465.72x = 4,420,842,709,394,296.50
  5. Step 5: Solve for x
    x = 4,420,842,709,394,296.50/76,616,465.72
  6. Step 6: Final answer
    x = 57,700,948.06

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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.