Home / 103,408,200.86-142,703,317.35-56,999,451.23

Finding the Fourth Proportional to 103,408,200.86, 142,703,317.35 and 56,999,451.23

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Solution

The fourth proportional to 103,408,200.86, 142,703,317.35 and 56,999,451.23 is: 78,659,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,408,200.86 : 142,703,317.35 = 56,999,451.23 : x
  2. Step 2: Convert to fraction form
    103,408,200.86/142,703,317.35 = 56,999,451.23/x
  3. Step 3: Cross multiply
    103,408,200.86x = 142,703,317.35 × 56,999,451.23
  4. Step 4: Simplify right side
    103,408,200.86x = 8,134,010,777,472,158
  5. Step 5: Solve for x
    x = 8,134,010,777,472,158/103,408,200.86
  6. Step 6: Final answer
    x = 78,659,242.79

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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.