Home / 145,690,885,200.75-201,039,929,160.94-80,583,911,217.21

Finding the Fourth Proportional to 145,690,885,200.75, 201,039,929,160.94 and 80,583,911,217.21

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Solution

The fourth proportional to 145,690,885,200.75, 201,039,929,160.94 and 80,583,911,217.21 is: 111,198,334,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690,885,200.75 : 201,039,929,160.94 = 80,583,911,217.21 : x
  2. Step 2: Convert to fraction form
    145,690,885,200.75/201,039,929,160.94 = 80,583,911,217.21/x
  3. Step 3: Cross multiply
    145,690,885,200.75x = 201,039,929,160.94 × 80,583,911,217.21
  4. Step 4: Simplify right side
    145,690,885,200.75x = 16,200,583,802,619,378,532,352
  5. Step 5: Solve for x
    x = 16,200,583,802,619,378,532,352/145,690,885,200.75
  6. Step 6: Final answer
    x = 111,198,334,613.02

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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.