Home / 56,776,016.80-85,164,025.20-20,401,832.80

Finding the Fourth Proportional to 56,776,016.80, 85,164,025.20 and 20,401,832.80

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Solution

The fourth proportional to 56,776,016.80, 85,164,025.20 and 20,401,832.80 is: 30,602,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776,016.80 : 85,164,025.20 = 20,401,832.80 : x
  2. Step 2: Convert to fraction form
    56,776,016.80/85,164,025.20 = 20,401,832.80/x
  3. Step 3: Cross multiply
    56,776,016.80x = 85,164,025.20 × 20,401,832.80
  4. Step 4: Simplify right side
    56,776,016.80x = 1,737,502,202,705,386.75
  5. Step 5: Solve for x
    x = 1,737,502,202,705,386.75/56,776,016.80
  6. Step 6: Final answer
    x = 30,602,749.20

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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.