Home / 143,342,701.86-197,807,229.96-84,624,281.58

Finding the Fourth Proportional to 143,342,701.86, 197,807,229.96 and 84,624,281.58

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Solution

The fourth proportional to 143,342,701.86, 197,807,229.96 and 84,624,281.58 is: 116,778,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,342,701.86 : 197,807,229.96 = 84,624,281.58 : x
  2. Step 2: Convert to fraction form
    143,342,701.86/197,807,229.96 = 84,624,281.58/x
  3. Step 3: Cross multiply
    143,342,701.86x = 197,807,229.96 × 84,624,281.58
  4. Step 4: Simplify right side
    143,342,701.86x = 16,739,294,726,694,852
  5. Step 5: Solve for x
    x = 16,739,294,726,694,852/143,342,701.86
  6. Step 6: Final answer
    x = 116,778,144.33

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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.