Home / 108,055,072.87-149,115,968.98-58,495,409.80

Finding the Fourth Proportional to 108,055,072.87, 149,115,968.98 and 58,495,409.80

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Solution

The fourth proportional to 108,055,072.87, 149,115,968.98 and 58,495,409.80 is: 80,723,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,055,072.87 : 149,115,968.98 = 58,495,409.80 : x
  2. Step 2: Convert to fraction form
    108,055,072.87/149,115,968.98 = 58,495,409.80/x
  3. Step 3: Cross multiply
    108,055,072.87x = 149,115,968.98 × 58,495,409.80
  4. Step 4: Simplify right side
    108,055,072.87x = 8,722,599,712,690,159
  5. Step 5: Solve for x
    x = 8,722,599,712,690,159/108,055,072.87
  6. Step 6: Final answer
    x = 80,723,648.42

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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.