Home / 85,376,861.76-117,820,044.30-46,218,609.48

Finding the Fourth Proportional to 85,376,861.76, 117,820,044.30 and 46,218,609.48

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Solution

The fourth proportional to 85,376,861.76, 117,820,044.30 and 46,218,609.48 is: 63,781,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,376,861.76 : 117,820,044.30 = 46,218,609.48 : x
  2. Step 2: Convert to fraction form
    85,376,861.76/117,820,044.30 = 46,218,609.48/x
  3. Step 3: Cross multiply
    85,376,861.76x = 117,820,044.30 × 46,218,609.48
  4. Step 4: Simplify right side
    85,376,861.76x = 5,445,478,616,417,999
  5. Step 5: Solve for x
    x = 5,445,478,616,417,999/85,376,861.76
  6. Step 6: Final answer
    x = 63,781,667.59

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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.