Home / 103,283,456.25-142,531,169.63-56,873,599.59

Finding the Fourth Proportional to 103,283,456.25, 142,531,169.63 and 56,873,599.59

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Solution

The fourth proportional to 103,283,456.25, 142,531,169.63 and 56,873,599.59 is: 78,485,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,283,456.25 : 142,531,169.63 = 56,873,599.59 : x
  2. Step 2: Convert to fraction form
    103,283,456.25/142,531,169.63 = 56,873,599.59/x
  3. Step 3: Cross multiply
    103,283,456.25x = 142,531,169.63 × 56,873,599.59
  4. Step 4: Simplify right side
    103,283,456.25x = 8,106,260,670,346,621
  5. Step 5: Solve for x
    x = 8,106,260,670,346,621/103,283,456.25
  6. Step 6: Final answer
    x = 78,485,567.43

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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.