Home / 201,451,802.40-302,177,703.60-99,194,680.80

Finding the Fourth Proportional to 201,451,802.40, 302,177,703.60 and 99,194,680.80

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Solution

The fourth proportional to 201,451,802.40, 302,177,703.60 and 99,194,680.80 is: 148,792,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,451,802.40 : 302,177,703.60 = 99,194,680.80 : x
  2. Step 2: Convert to fraction form
    201,451,802.40/302,177,703.60 = 99,194,680.80/x
  3. Step 3: Cross multiply
    201,451,802.40x = 302,177,703.60 × 99,194,680.80
  4. Step 4: Simplify right side
    201,451,802.40x = 29,974,420,853,479,012
  5. Step 5: Solve for x
    x = 29,974,420,853,479,012/201,451,802.40
  6. Step 6: Final answer
    x = 148,792,021.20

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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.