Home / 144,042,086.70-198,778,064.58-77,962,573.44

Finding the Fourth Proportional to 144,042,086.70, 198,778,064.58 and 77,962,573.44

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Solution

The fourth proportional to 144,042,086.70, 198,778,064.58 and 77,962,573.44 is: 107,588,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,042,086.70 : 198,778,064.58 = 77,962,573.44 : x
  2. Step 2: Convert to fraction form
    144,042,086.70/198,778,064.58 = 77,962,573.44/x
  3. Step 3: Cross multiply
    144,042,086.70x = 198,778,064.58 × 77,962,573.44
  4. Step 4: Simplify right side
    144,042,086.70x = 15,497,249,458,079,314
  5. Step 5: Solve for x
    x = 15,497,249,458,079,314/144,042,086.70
  6. Step 6: Final answer
    x = 107,588,343.19

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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.