Home / 108,815,802.86-150,154,372.94-61,757,910.02

Finding the Fourth Proportional to 108,815,802.86, 150,154,372.94 and 61,757,910.02

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Solution

The fourth proportional to 108,815,802.86, 150,154,372.94 and 61,757,910.02 is: 85,219,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,815,802.86 : 150,154,372.94 = 61,757,910.02 : x
  2. Step 2: Convert to fraction form
    108,815,802.86/150,154,372.94 = 61,757,910.02/x
  3. Step 3: Cross multiply
    108,815,802.86x = 150,154,372.94 × 61,757,910.02
  4. Step 4: Simplify right side
    108,815,802.86x = 9,273,220,253,138,044
  5. Step 5: Solve for x
    x = 9,273,220,253,138,044/108,815,802.86
  6. Step 6: Final answer
    x = 85,219,425.94

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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.