Home / 51,128,438.83-70,557,696.68-29,103,356.53

Finding the Fourth Proportional to 51,128,438.83, 70,557,696.68 and 29,103,356.53

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Solution

The fourth proportional to 51,128,438.83, 70,557,696.68 and 29,103,356.53 is: 40,162,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128,438.83 : 70,557,696.68 = 29,103,356.53 : x
  2. Step 2: Convert to fraction form
    51,128,438.83/70,557,696.68 = 29,103,356.53/x
  3. Step 3: Cross multiply
    51,128,438.83x = 70,557,696.68 × 29,103,356.53
  4. Step 4: Simplify right side
    51,128,438.83x = 2,053,465,802,356,317.50
  5. Step 5: Solve for x
    x = 2,053,465,802,356,317.50/51,128,438.83
  6. Step 6: Final answer
    x = 40,162,888.78

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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.