Home / 61,920,243.50-85,379,732.24-39,563,693.16

Finding the Fourth Proportional to 61,920,243.50, 85,379,732.24 and 39,563,693.16

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Solution

The fourth proportional to 61,920,243.50, 85,379,732.24 and 39,563,693.16 is: 54,553,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920,243.50 : 85,379,732.24 = 39,563,693.16 : x
  2. Step 2: Convert to fraction form
    61,920,243.50/85,379,732.24 = 39,563,693.16/x
  3. Step 3: Cross multiply
    61,920,243.50x = 85,379,732.24 × 39,563,693.16
  4. Step 4: Simplify right side
    61,920,243.50x = 3,377,937,528,242,046.50
  5. Step 5: Solve for x
    x = 3,377,937,528,242,046.50/61,920,243.50
  6. Step 6: Final answer
    x = 54,553,040.13

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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.