Home / 61,206,016.80-91,809,025.20-53,234,401.80

Finding the Fourth Proportional to 61,206,016.80, 91,809,025.20 and 53,234,401.80

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Solution

The fourth proportional to 61,206,016.80, 91,809,025.20 and 53,234,401.80 is: 79,851,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,206,016.80 : 91,809,025.20 = 53,234,401.80 : x
  2. Step 2: Convert to fraction form
    61,206,016.80/91,809,025.20 = 53,234,401.80/x
  3. Step 3: Cross multiply
    61,206,016.80x = 91,809,025.20 × 53,234,401.80
  4. Step 4: Simplify right side
    61,206,016.80x = 4,887,398,536,363,125
  5. Step 5: Solve for x
    x = 4,887,398,536,363,125/61,206,016.80
  6. Step 6: Final answer
    x = 79,851,602.70

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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.