Home / 101,112,237,777.99-139,481,986,727.52-62,518,820,882.61

Finding the Fourth Proportional to 101,112,237,777.99, 139,481,986,727.52 and 62,518,820,882.61

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Solution

The fourth proportional to 101,112,237,777.99, 139,481,986,727.52 and 62,518,820,882.61 is: 86,243,263,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112,237,777.99 : 139,481,986,727.52 = 62,518,820,882.61 : x
  2. Step 2: Convert to fraction form
    101,112,237,777.99/139,481,986,727.52 = 62,518,820,882.61/x
  3. Step 3: Cross multiply
    101,112,237,777.99x = 139,481,986,727.52 × 62,518,820,882.61
  4. Step 4: Simplify right side
    101,112,237,777.99x = 8,720,249,344,568,407,883,776
  5. Step 5: Solve for x
    x = 8,720,249,344,568,407,883,776/101,112,237,777.99
  6. Step 6: Final answer
    x = 86,243,263,290.40

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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.