Home / 69,404,263.76-103,485,902.32-67,497,428.36

Finding the Fourth Proportional to 69,404,263.76, 103,485,902.32 and 67,497,428.36

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Solution

The fourth proportional to 69,404,263.76, 103,485,902.32 and 67,497,428.36 is: 100,642,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404,263.76 : 103,485,902.32 = 67,497,428.36 : x
  2. Step 2: Convert to fraction form
    69,404,263.76/103,485,902.32 = 67,497,428.36/x
  3. Step 3: Cross multiply
    69,404,263.76x = 103,485,902.32 × 67,497,428.36
  4. Step 4: Simplify right side
    69,404,263.76x = 6,985,032,278,114,157
  5. Step 5: Solve for x
    x = 6,985,032,278,114,157/69,404,263.76
  6. Step 6: Final answer
    x = 100,642,696.86

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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.