Home / 103,255,338.11-142,487,241.14-56,844,595.58

Finding the Fourth Proportional to 103,255,338.11, 142,487,241.14 and 56,844,595.58

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Solution

The fourth proportional to 103,255,338.11, 142,487,241.14 and 56,844,595.58 is: 78,442,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,255,338.11 : 142,487,241.14 = 56,844,595.58 : x
  2. Step 2: Convert to fraction form
    103,255,338.11/142,487,241.14 = 56,844,595.58/x
  3. Step 3: Cross multiply
    103,255,338.11x = 142,487,241.14 × 56,844,595.58
  4. Step 4: Simplify right side
    103,255,338.11x = 8,099,629,596,916,579
  5. Step 5: Solve for x
    x = 8,099,629,596,916,579/103,255,338.11
  6. Step 6: Final answer
    x = 78,442,720.21

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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.