Home / 202,136,321.70-303,204,482.55-72,748,152.90

Finding the Fourth Proportional to 202,136,321.70, 303,204,482.55 and 72,748,152.90

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Solution

The fourth proportional to 202,136,321.70, 303,204,482.55 and 72,748,152.90 is: 109,122,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,321.70 : 303,204,482.55 = 72,748,152.90 : x
  2. Step 2: Convert to fraction form
    202,136,321.70/303,204,482.55 = 72,748,152.90/x
  3. Step 3: Cross multiply
    202,136,321.70x = 303,204,482.55 × 72,748,152.90
  4. Step 4: Simplify right side
    202,136,321.70x = 22,057,566,056,512,784
  5. Step 5: Solve for x
    x = 22,057,566,056,512,784/202,136,321.70
  6. Step 6: Final answer
    x = 109,122,229.35

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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.