Home / 103,493,832.24-142,822,162.04-57,085,339.44

Finding the Fourth Proportional to 103,493,832.24, 142,822,162.04 and 57,085,339.44

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Solution

The fourth proportional to 103,493,832.24, 142,822,162.04 and 57,085,339.44 is: 78,778,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,493,832.24 : 142,822,162.04 = 57,085,339.44 : x
  2. Step 2: Convert to fraction form
    103,493,832.24/142,822,162.04 = 57,085,339.44/x
  3. Step 3: Cross multiply
    103,493,832.24x = 142,822,162.04 × 57,085,339.44
  4. Step 4: Simplify right side
    103,493,832.24x = 8,153,051,599,608,082
  5. Step 5: Solve for x
    x = 8,153,051,599,608,082/103,493,832.24
  6. Step 6: Final answer
    x = 78,778,139.94

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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.