Home / 146,061,989.87-201,565,541.25-79,986,527.92

Finding the Fourth Proportional to 146,061,989.87, 201,565,541.25 and 79,986,527.92

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Solution

The fourth proportional to 146,061,989.87, 201,565,541.25 and 79,986,527.92 is: 110,381,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,061,989.87 : 201,565,541.25 = 79,986,527.92 : x
  2. Step 2: Convert to fraction form
    146,061,989.87/201,565,541.25 = 79,986,527.92/x
  3. Step 3: Cross multiply
    146,061,989.87x = 201,565,541.25 × 79,986,527.92
  4. Step 4: Simplify right side
    146,061,989.87x = 16,122,527,793,496,436
  5. Step 5: Solve for x
    x = 16,122,527,793,496,436/146,061,989.87
  6. Step 6: Final answer
    x = 110,381,405.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.