Home / 108,380,571.50-149,545,894.38-61,337,423.90

Finding the Fourth Proportional to 108,380,571.50, 149,545,894.38 and 61,337,423.90

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Solution

The fourth proportional to 108,380,571.50, 149,545,894.38 and 61,337,423.90 is: 84,634,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,380,571.50 : 149,545,894.38 = 61,337,423.90 : x
  2. Step 2: Convert to fraction form
    108,380,571.50/149,545,894.38 = 61,337,423.90/x
  3. Step 3: Cross multiply
    108,380,571.50x = 149,545,894.38 × 61,337,423.90
  4. Step 4: Simplify right side
    108,380,571.50x = 9,172,759,916,090,688
  5. Step 5: Solve for x
    x = 9,172,759,916,090,688/108,380,571.50
  6. Step 6: Final answer
    x = 84,634,725.48

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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.