Home / 139,415,512.49-209,078,901.47-46,025,095.31

Finding the Fourth Proportional to 139,415,512.49, 209,078,901.47 and 46,025,095.31

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Solution

The fourth proportional to 139,415,512.49, 209,078,901.47 and 46,025,095.31 is: 69,022,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,415,512.49 : 209,078,901.47 = 46,025,095.31 : x
  2. Step 2: Convert to fraction form
    139,415,512.49/209,078,901.47 = 46,025,095.31/x
  3. Step 3: Cross multiply
    139,415,512.49x = 209,078,901.47 × 46,025,095.31
  4. Step 4: Simplify right side
    139,415,512.49x = 9,622,876,366,191,330
  5. Step 5: Solve for x
    x = 9,622,876,366,191,330/139,415,512.49
  6. Step 6: Final answer
    x = 69,022,996.04

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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.