Home / 86,640,192,035.20-129,960,288,052.80-74,655,984,908.80

Finding the Fourth Proportional to 86,640,192,035.20, 129,960,288,052.80 and 74,655,984,908.80

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Solution

The fourth proportional to 86,640,192,035.20, 129,960,288,052.80 and 74,655,984,908.80 is: 111,983,977,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,640,192,035.20 : 129,960,288,052.80 = 74,655,984,908.80 : x
  2. Step 2: Convert to fraction form
    86,640,192,035.20/129,960,288,052.80 = 74,655,984,908.80/x
  3. Step 3: Cross multiply
    86,640,192,035.20x = 129,960,288,052.80 × 74,655,984,908.80
  4. Step 4: Simplify right side
    86,640,192,035.20x = 9,702,313,303,613,137,485,824
  5. Step 5: Solve for x
    x = 9,702,313,303,613,137,485,824/86,640,192,035.20
  6. Step 6: Final answer
    x = 111,983,977,363.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.