Home / 144,056,684.72-198,723,832.44-97,631,061.68

Finding the Fourth Proportional to 144,056,684.72, 198,723,832.44 and 97,631,061.68

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Solution

The fourth proportional to 144,056,684.72, 198,723,832.44 and 97,631,061.68 is: 134,680,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,056,684.72 : 198,723,832.44 = 97,631,061.68 : x
  2. Step 2: Convert to fraction form
    144,056,684.72/198,723,832.44 = 97,631,061.68/x
  3. Step 3: Cross multiply
    144,056,684.72x = 198,723,832.44 × 97,631,061.68
  4. Step 4: Simplify right side
    144,056,684.72x = 19,401,618,742,235,628
  5. Step 5: Solve for x
    x = 19,401,618,742,235,628/144,056,684.72
  6. Step 6: Final answer
    x = 134,680,447.35

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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.