Home / 202,136,449.20-303,204,673.80-72,748,280.40

Finding the Fourth Proportional to 202,136,449.20, 303,204,673.80 and 72,748,280.40

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Solution

The fourth proportional to 202,136,449.20, 303,204,673.80 and 72,748,280.40 is: 109,122,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,449.20 : 303,204,673.80 = 72,748,280.40 : x
  2. Step 2: Convert to fraction form
    202,136,449.20/303,204,673.80 = 72,748,280.40/x
  3. Step 3: Cross multiply
    202,136,449.20x = 303,204,673.80 × 72,748,280.40
  4. Step 4: Simplify right side
    202,136,449.20x = 22,057,618,628,192,936
  5. Step 5: Solve for x
    x = 22,057,618,628,192,936/202,136,449.20
  6. Step 6: Final answer
    x = 109,122,420.60

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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.