Home / 159,092,755.71-219,423,625.47-103,356,134.48

Finding the Fourth Proportional to 159,092,755.71, 219,423,625.47 and 103,356,134.48

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Solution

The fourth proportional to 159,092,755.71, 219,423,625.47 and 103,356,134.48 is: 142,550,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,092,755.71 : 219,423,625.47 = 103,356,134.48 : x
  2. Step 2: Convert to fraction form
    159,092,755.71/219,423,625.47 = 103,356,134.48/x
  3. Step 3: Cross multiply
    159,092,755.71x = 219,423,625.47 × 103,356,134.48
  4. Step 4: Simplify right side
    159,092,755.71x = 22,678,777,741,069,352
  5. Step 5: Solve for x
    x = 22,678,777,741,069,352/159,092,755.71
  6. Step 6: Final answer
    x = 142,550,662.60

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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.