Home / 148,940,332.52-205,539,550.43-81,967,001.63

Finding the Fourth Proportional to 148,940,332.52, 205,539,550.43 and 81,967,001.63

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Solution

The fourth proportional to 148,940,332.52, 205,539,550.43 and 81,967,001.63 is: 113,115,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,940,332.52 : 205,539,550.43 = 81,967,001.63 : x
  2. Step 2: Convert to fraction form
    148,940,332.52/205,539,550.43 = 81,967,001.63/x
  3. Step 3: Cross multiply
    148,940,332.52x = 205,539,550.43 × 81,967,001.63
  4. Step 4: Simplify right side
    148,940,332.52x = 16,847,460,663,687,746
  5. Step 5: Solve for x
    x = 16,847,460,663,687,746/148,940,332.52
  6. Step 6: Final answer
    x = 113,115,503.23

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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.