Home / 141,686,990,634.12-195,530,370,061.32-84,599,289,784.68

Finding the Fourth Proportional to 141,686,990,634.12, 195,530,370,061.32 and 84,599,289,784.68

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Solution

The fourth proportional to 141,686,990,634.12, 195,530,370,061.32 and 84,599,289,784.68 is: 116,748,406,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,686,990,634.12 : 195,530,370,061.32 = 84,599,289,784.68 : x
  2. Step 2: Convert to fraction form
    141,686,990,634.12/195,530,370,061.32 = 84,599,289,784.68/x
  3. Step 3: Cross multiply
    141,686,990,634.12x = 195,530,370,061.32 × 84,599,289,784.68
  4. Step 4: Simplify right side
    141,686,990,634.12x = 16,541,730,438,523,329,183,744
  5. Step 5: Solve for x
    x = 16,541,730,438,523,329,183,744/141,686,990,634.12
  6. Step 6: Final answer
    x = 116,748,406,924.95

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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.