Home / 66,864,487.91-92,233,899.56-42,045,394.55

Finding the Fourth Proportional to 66,864,487.91, 92,233,899.56 and 42,045,394.55

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Solution

The fourth proportional to 66,864,487.91, 92,233,899.56 and 42,045,394.55 is: 57,998,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,487.91 : 92,233,899.56 = 42,045,394.55 : x
  2. Step 2: Convert to fraction form
    66,864,487.91/92,233,899.56 = 42,045,394.55/x
  3. Step 3: Cross multiply
    66,864,487.91x = 92,233,899.56 × 42,045,394.55
  4. Step 4: Simplify right side
    66,864,487.91x = 3,878,010,697,675,044.50
  5. Step 5: Solve for x
    x = 3,878,010,697,675,044.50/66,864,487.91
  6. Step 6: Final answer
    x = 57,998,061.73

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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.