Home / 82,877,385-114,378,872.67-61,933,048.95

Finding the Fourth Proportional to 82,877,385, 114,378,872.67 and 61,933,048.95

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Solution

The fourth proportional to 82,877,385, 114,378,872.67 and 61,933,048.95 is: 85,473,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877,385 : 114,378,872.67 = 61,933,048.95 : x
  2. Step 2: Convert to fraction form
    82,877,385/114,378,872.67 = 61,933,048.95/x
  3. Step 3: Cross multiply
    82,877,385x = 114,378,872.67 × 61,933,048.95
  4. Step 4: Simplify right side
    82,877,385x = 7,083,832,319,916,928
  5. Step 5: Solve for x
    x = 7,083,832,319,916,928/82,877,385
  6. Step 6: Final answer
    x = 85,473,646.64

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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.