Home / 101,100,370,781.80-139,451,332,786.81-65,017,023,053.32

Finding the Fourth Proportional to 101,100,370,781.80, 139,451,332,786.81 and 65,017,023,053.32

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Solution

The fourth proportional to 101,100,370,781.80, 139,451,332,786.81 and 65,017,023,053.32 is: 89,680,289,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,100,370,781.80 : 139,451,332,786.81 = 65,017,023,053.32 : x
  2. Step 2: Convert to fraction form
    101,100,370,781.80/139,451,332,786.81 = 65,017,023,053.32/x
  3. Step 3: Cross multiply
    101,100,370,781.80x = 139,451,332,786.81 × 65,017,023,053.32
  4. Step 4: Simplify right side
    101,100,370,781.80x = 9,066,710,518,616,225,218,560
  5. Step 5: Solve for x
    x = 9,066,710,518,616,225,218,560/101,100,370,781.80
  6. Step 6: Final answer
    x = 89,680,289,483.65

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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.