Home / 202,088,271.90-303,132,407.85-137,518,190.40

Finding the Fourth Proportional to 202,088,271.90, 303,132,407.85 and 137,518,190.40

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Solution

The fourth proportional to 202,088,271.90, 303,132,407.85 and 137,518,190.40 is: 206,277,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,088,271.90 : 303,132,407.85 = 137,518,190.40 : x
  2. Step 2: Convert to fraction form
    202,088,271.90/303,132,407.85 = 137,518,190.40/x
  3. Step 3: Cross multiply
    202,088,271.90x = 303,132,407.85 × 137,518,190.40
  4. Step 4: Simplify right side
    202,088,271.90x = 41,686,220,179,126,760
  5. Step 5: Solve for x
    x = 41,686,220,179,126,760/202,088,271.90
  6. Step 6: Final answer
    x = 206,277,285.60

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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.