Home / 69,404,124.57-103,485,695.61-67,497,289.35

Finding the Fourth Proportional to 69,404,124.57, 103,485,695.61 and 67,497,289.35

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Solution

The fourth proportional to 69,404,124.57, 103,485,695.61 and 67,497,289.35 is: 100,642,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404,124.57 : 103,485,695.61 = 67,497,289.35 : x
  2. Step 2: Convert to fraction form
    69,404,124.57/103,485,695.61 = 67,497,289.35/x
  3. Step 3: Cross multiply
    69,404,124.57x = 103,485,695.61 × 67,497,289.35
  4. Step 4: Simplify right side
    69,404,124.57x = 6,985,003,940,174,194
  5. Step 5: Solve for x
    x = 6,985,003,940,174,194/69,404,124.57
  6. Step 6: Final answer
    x = 100,642,490.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.