Home / 201,774,672.40-302,662,008.60-200,074,061.20

Finding the Fourth Proportional to 201,774,672.40, 302,662,008.60 and 200,074,061.20

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Solution

The fourth proportional to 201,774,672.40, 302,662,008.60 and 200,074,061.20 is: 300,111,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,774,672.40 : 302,662,008.60 = 200,074,061.20 : x
  2. Step 2: Convert to fraction form
    201,774,672.40/302,662,008.60 = 200,074,061.20/x
  3. Step 3: Cross multiply
    201,774,672.40x = 302,662,008.60 × 200,074,061.20
  4. Step 4: Simplify right side
    201,774,672.40x = 60,554,817,231,551,328
  5. Step 5: Solve for x
    x = 60,554,817,231,551,328/201,774,672.40
  6. Step 6: Final answer
    x = 300,111,091.80

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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.