Home / 57,420,024.80-86,177,038.80-56,972,127.20

Finding the Fourth Proportional to 57,420,024.80, 86,177,038.80 and 56,972,127.20

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Solution

The fourth proportional to 57,420,024.80, 86,177,038.80 and 56,972,127.20 is: 85,504,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420,024.80 : 86,177,038.80 = 56,972,127.20 : x
  2. Step 2: Convert to fraction form
    57,420,024.80/86,177,038.80 = 56,972,127.20/x
  3. Step 3: Cross multiply
    57,420,024.80x = 86,177,038.80 × 56,972,127.20
  4. Step 4: Simplify right side
    57,420,024.80x = 4,909,689,216,232,935
  5. Step 5: Solve for x
    x = 4,909,689,216,232,935/57,420,024.80
  6. Step 6: Final answer
    x = 85,504,825.77

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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.