Home / 134,870,382.78-202,288,509.54-42,755,008.74

Finding the Fourth Proportional to 134,870,382.78, 202,288,509.54 and 42,755,008.74

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Solution

The fourth proportional to 134,870,382.78, 202,288,509.54 and 42,755,008.74 is: 64,127,103.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,870,382.78 : 202,288,509.54 = 42,755,008.74 : x
  2. Step 2: Convert to fraction form
    134,870,382.78/202,288,509.54 = 42,755,008.74/x
  3. Step 3: Cross multiply
    134,870,382.78x = 202,288,509.54 × 42,755,008.74
  4. Step 4: Simplify right side
    134,870,382.78x = 8,648,846,993,384,273
  5. Step 5: Solve for x
    x = 8,648,846,993,384,273/134,870,382.78
  6. Step 6: Final answer
    x = 64,127,103.48

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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.