Home / 87,944,058,079.79-121,356,139,781.07-49,355,525,258.91

Finding the Fourth Proportional to 87,944,058,079.79, 121,356,139,781.07 and 49,355,525,258.91

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Solution

The fourth proportional to 87,944,058,079.79, 121,356,139,781.07 and 49,355,525,258.91 is: 68,106,886,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944,058,079.79 : 121,356,139,781.07 = 49,355,525,258.91 : x
  2. Step 2: Convert to fraction form
    87,944,058,079.79/121,356,139,781.07 = 49,355,525,258.91/x
  3. Step 3: Cross multiply
    87,944,058,079.79x = 121,356,139,781.07 × 49,355,525,258.91
  4. Step 4: Simplify right side
    87,944,058,079.79x = 5,989,596,022,288,656,891,904
  5. Step 5: Solve for x
    x = 5,989,596,022,288,656,891,904/87,944,058,079.79
  6. Step 6: Final answer
    x = 68,106,886,958.24

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1.5x scale

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.