Home / 66,698,915.20-92,047,379.70-36,929,563

Finding the Fourth Proportional to 66,698,915.20, 92,047,379.70 and 36,929,563

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Solution

The fourth proportional to 66,698,915.20, 92,047,379.70 and 36,929,563 is: 50,964,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,698,915.20 : 92,047,379.70 = 36,929,563 : x
  2. Step 2: Convert to fraction form
    66,698,915.20/92,047,379.70 = 36,929,563/x
  3. Step 3: Cross multiply
    66,698,915.20x = 92,047,379.70 × 36,929,563
  4. Step 4: Simplify right side
    66,698,915.20x = 3,399,269,507,616,071
  5. Step 5: Solve for x
    x = 3,399,269,507,616,071/66,698,915.20
  6. Step 6: Final answer
    x = 50,964,389.71

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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.