Home / 82,329,742.93-113,616,555.78-45,161,921.95

Finding the Fourth Proportional to 82,329,742.93, 113,616,555.78 and 45,161,921.95

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Solution

The fourth proportional to 82,329,742.93, 113,616,555.78 and 45,161,921.95 is: 62,324,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329,742.93 : 113,616,555.78 = 45,161,921.95 : x
  2. Step 2: Convert to fraction form
    82,329,742.93/113,616,555.78 = 45,161,921.95/x
  3. Step 3: Cross multiply
    82,329,742.93x = 113,616,555.78 × 45,161,921.95
  4. Step 4: Simplify right side
    82,329,742.93x = 5,131,142,024,364,182
  5. Step 5: Solve for x
    x = 5,131,142,024,364,182/82,329,742.93
  6. Step 6: Final answer
    x = 62,324,280.89

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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.