Home / 66,864,485.16-92,233,895.76-42,045,391.80

Finding the Fourth Proportional to 66,864,485.16, 92,233,895.76 and 42,045,391.80

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Solution

The fourth proportional to 66,864,485.16, 92,233,895.76 and 42,045,391.80 is: 57,998,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,485.16 : 92,233,895.76 = 42,045,391.80 : x
  2. Step 2: Convert to fraction form
    66,864,485.16/92,233,895.76 = 42,045,391.80/x
  3. Step 3: Cross multiply
    66,864,485.16x = 92,233,895.76 × 42,045,391.80
  4. Step 4: Simplify right side
    66,864,485.16x = 3,878,010,284,469,558.50
  5. Step 5: Solve for x
    x = 3,878,010,284,469,558.50/66,864,485.16
  6. Step 6: Final answer
    x = 57,998,057.94

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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.