Home / 56,793,623.40-85,228,170.30-20,891,831.40

Finding the Fourth Proportional to 56,793,623.40, 85,228,170.30 and 20,891,831.40

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Solution

The fourth proportional to 56,793,623.40, 85,228,170.30 and 20,891,831.40 is: 31,351,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,793,623.40 : 85,228,170.30 = 20,891,831.40 : x
  2. Step 2: Convert to fraction form
    56,793,623.40/85,228,170.30 = 20,891,831.40/x
  3. Step 3: Cross multiply
    56,793,623.40x = 85,228,170.30 × 20,891,831.40
  4. Step 4: Simplify right side
    56,793,623.40x = 1,780,572,564,438,087.25
  5. Step 5: Solve for x
    x = 1,780,572,564,438,087.25/56,793,623.40
  6. Step 6: Final answer
    x = 31,351,628.19

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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.