Home / 202,136,390.20-303,204,585.30-72,748,221.40

Finding the Fourth Proportional to 202,136,390.20, 303,204,585.30 and 72,748,221.40

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Solution

The fourth proportional to 202,136,390.20, 303,204,585.30 and 72,748,221.40 is: 109,122,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,390.20 : 303,204,585.30 = 72,748,221.40 : x
  2. Step 2: Convert to fraction form
    202,136,390.20/303,204,585.30 = 72,748,221.40/x
  3. Step 3: Cross multiply
    202,136,390.20x = 303,204,585.30 × 72,748,221.40
  4. Step 4: Simplify right side
    202,136,390.20x = 22,057,594,300,899,588
  5. Step 5: Solve for x
    x = 22,057,594,300,899,588/202,136,390.20
  6. Step 6: Final answer
    x = 109,122,332.10

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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.