Home / 131,361,769,657.45-181,292,753,470.98-79,923,981,226.51

Finding the Fourth Proportional to 131,361,769,657.45, 181,292,753,470.98 and 79,923,981,226.51

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Solution

The fourth proportional to 131,361,769,657.45, 181,292,753,470.98 and 79,923,981,226.51 is: 110,303,314,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,361,769,657.45 : 181,292,753,470.98 = 79,923,981,226.51 : x
  2. Step 2: Convert to fraction form
    131,361,769,657.45/181,292,753,470.98 = 79,923,981,226.51/x
  3. Step 3: Cross multiply
    131,361,769,657.45x = 181,292,753,470.98 × 79,923,981,226.51
  4. Step 4: Simplify right side
    131,361,769,657.45x = 14,489,638,624,916,911,685,632
  5. Step 5: Solve for x
    x = 14,489,638,624,916,911,685,632/131,361,769,657.45
  6. Step 6: Final answer
    x = 110,303,314,752.09

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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.