Home / 103,423,562.94-142,725,479.56-57,015,477.60

Finding the Fourth Proportional to 103,423,562.94, 142,725,479.56 and 57,015,477.60

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Solution

The fourth proportional to 103,423,562.94, 142,725,479.56 and 57,015,477.60 is: 78,681,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,562.94 : 142,725,479.56 = 57,015,477.60 : x
  2. Step 2: Convert to fraction form
    103,423,562.94/142,725,479.56 = 57,015,477.60/x
  3. Step 3: Cross multiply
    103,423,562.94x = 142,725,479.56 × 57,015,477.60
  4. Step 4: Simplify right side
    103,423,562.94x = 8,137,561,382,802,438
  5. Step 5: Solve for x
    x = 8,137,561,382,802,438/103,423,562.94
  6. Step 6: Final answer
    x = 78,681,889.81

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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.