Home / 202,088,909.40-303,133,364.10-125,561,405.40

Finding the Fourth Proportional to 202,088,909.40, 303,133,364.10 and 125,561,405.40

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Solution

The fourth proportional to 202,088,909.40, 303,133,364.10 and 125,561,405.40 is: 188,342,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,088,909.40 : 303,133,364.10 = 125,561,405.40 : x
  2. Step 2: Convert to fraction form
    202,088,909.40/303,133,364.10 = 125,561,405.40/x
  3. Step 3: Cross multiply
    202,088,909.40x = 303,133,364.10 × 125,561,405.40
  4. Step 4: Simplify right side
    202,088,909.40x = 38,061,851,220,025,912
  5. Step 5: Solve for x
    x = 38,061,851,220,025,912/202,088,909.40
  6. Step 6: Final answer
    x = 188,342,108.10

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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.