Home / 61,627,380.72-85,045,766.04-34,125,301.68

Finding the Fourth Proportional to 61,627,380.72, 85,045,766.04 and 34,125,301.68

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Solution

The fourth proportional to 61,627,380.72, 85,045,766.04 and 34,125,301.68 is: 47,092,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,627,380.72 : 85,045,766.04 = 34,125,301.68 : x
  2. Step 2: Convert to fraction form
    61,627,380.72/85,045,766.04 = 34,125,301.68/x
  3. Step 3: Cross multiply
    61,627,380.72x = 85,045,766.04 × 34,125,301.68
  4. Step 4: Simplify right side
    61,627,380.72x = 2,902,212,422,721,699
  5. Step 5: Solve for x
    x = 2,902,212,422,721,699/61,627,380.72
  6. Step 6: Final answer
    x = 47,092,905.60

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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.