Home / 61,619,816.22-85,038,003.45-34,117,746.90

Finding the Fourth Proportional to 61,619,816.22, 85,038,003.45 and 34,117,746.90

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Solution

The fourth proportional to 61,619,816.22, 85,038,003.45 and 34,117,746.90 is: 47,083,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619,816.22 : 85,038,003.45 = 34,117,746.90 : x
  2. Step 2: Convert to fraction form
    61,619,816.22/85,038,003.45 = 34,117,746.90/x
  3. Step 3: Cross multiply
    61,619,816.22x = 85,038,003.45 × 34,117,746.90
  4. Step 4: Simplify right side
    61,619,816.22x = 2,901,305,078,588,427
  5. Step 5: Solve for x
    x = 2,901,305,078,588,427/61,619,816.22
  6. Step 6: Final answer
    x = 47,083,961.89

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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.