Home / 144,014,573.82-198,740,606.49-77,935,054.50

Finding the Fourth Proportional to 144,014,573.82, 198,740,606.49 and 77,935,054.50

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Solution

The fourth proportional to 144,014,573.82, 198,740,606.49 and 77,935,054.50 is: 107,550,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014,573.82 : 198,740,606.49 = 77,935,054.50 : x
  2. Step 2: Convert to fraction form
    144,014,573.82/198,740,606.49 = 77,935,054.50/x
  3. Step 3: Cross multiply
    144,014,573.82x = 198,740,606.49 × 77,935,054.50
  4. Step 4: Simplify right side
    144,014,573.82x = 15,488,859,998,161,204
  5. Step 5: Solve for x
    x = 15,488,859,998,161,204/144,014,573.82
  6. Step 6: Final answer
    x = 107,550,642.88

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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.