Home / 199,683,997.20-298,938,130.20-148,791,632.40

Finding the Fourth Proportional to 199,683,997.20, 298,938,130.20 and 148,791,632.40

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Solution

The fourth proportional to 199,683,997.20, 298,938,130.20 and 148,791,632.40 is: 222,749,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,683,997.20 : 298,938,130.20 = 148,791,632.40 : x
  2. Step 2: Convert to fraction form
    199,683,997.20/298,938,130.20 = 148,791,632.40/x
  3. Step 3: Cross multiply
    199,683,997.20x = 298,938,130.20 × 148,791,632.40
  4. Step 4: Simplify right side
    199,683,997.20x = 44,479,492,379,061,736
  5. Step 5: Solve for x
    x = 44,479,492,379,061,736/199,683,997.20
  6. Step 6: Final answer
    x = 222,749,409.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.