Home / 143,544,763.84-198,089,246.64-81,663,783.52

Finding the Fourth Proportional to 143,544,763.84, 198,089,246.64 and 81,663,783.52

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Solution

The fourth proportional to 143,544,763.84, 198,089,246.64 and 81,663,783.52 is: 112,694,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,544,763.84 : 198,089,246.64 = 81,663,783.52 : x
  2. Step 2: Convert to fraction form
    143,544,763.84/198,089,246.64 = 81,663,783.52/x
  3. Step 3: Cross multiply
    143,544,763.84x = 198,089,246.64 × 81,663,783.52
  4. Step 4: Simplify right side
    143,544,763.84x = 16,176,717,355,248,846
  5. Step 5: Solve for x
    x = 16,176,717,355,248,846/143,544,763.84
  6. Step 6: Final answer
    x = 112,694,583.37

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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.