Home / 66,864,487.92-92,233,899.56-42,045,394.56

Finding the Fourth Proportional to 66,864,487.92, 92,233,899.56 and 42,045,394.56

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Solution

The fourth proportional to 66,864,487.92, 92,233,899.56 and 42,045,394.56 is: 57,998,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,487.92 : 92,233,899.56 = 42,045,394.56 : x
  2. Step 2: Convert to fraction form
    66,864,487.92/92,233,899.56 = 42,045,394.56/x
  3. Step 3: Cross multiply
    66,864,487.92x = 92,233,899.56 × 42,045,394.56
  4. Step 4: Simplify right side
    66,864,487.92x = 3,878,010,698,807,610.50
  5. Step 5: Solve for x
    x = 3,878,010,698,807,610.50/66,864,487.92
  6. Step 6: Final answer
    x = 57,998,061.74

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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.