Home / 127,848,305.80-191,772,458.70-42,747,761.80

Finding the Fourth Proportional to 127,848,305.80, 191,772,458.70 and 42,747,761.80

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Solution

The fourth proportional to 127,848,305.80, 191,772,458.70 and 42,747,761.80 is: 64,121,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848,305.80 : 191,772,458.70 = 42,747,761.80 : x
  2. Step 2: Convert to fraction form
    127,848,305.80/191,772,458.70 = 42,747,761.80/x
  3. Step 3: Cross multiply
    127,848,305.80x = 191,772,458.70 × 42,747,761.80
  4. Step 4: Simplify right side
    127,848,305.80x = 8,197,843,384,307,937
  5. Step 5: Solve for x
    x = 8,197,843,384,307,937/127,848,305.80
  6. Step 6: Final answer
    x = 64,121,642.70

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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.