Home / 66,864,487.41-92,233,898.87-42,045,394.05

Finding the Fourth Proportional to 66,864,487.41, 92,233,898.87 and 42,045,394.05

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Solution

The fourth proportional to 66,864,487.41, 92,233,898.87 and 42,045,394.05 is: 57,998,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,487.41 : 92,233,898.87 = 42,045,394.05 : x
  2. Step 2: Convert to fraction form
    66,864,487.41/92,233,898.87 = 42,045,394.05/x
  3. Step 3: Cross multiply
    66,864,487.41x = 92,233,898.87 × 42,045,394.05
  4. Step 4: Simplify right side
    66,864,487.41x = 3,878,010,622,546,772.50
  5. Step 5: Solve for x
    x = 3,878,010,622,546,772.50/66,864,487.41
  6. Step 6: Final answer
    x = 57,998,061.04

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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.