Home / 347,631,708.80-521,447,563.20-156,528,732.80

Finding the Fourth Proportional to 347,631,708.80, 521,447,563.20 and 156,528,732.80

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Solution

The fourth proportional to 347,631,708.80, 521,447,563.20 and 156,528,732.80 is: 234,793,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631,708.80 : 521,447,563.20 = 156,528,732.80 : x
  2. Step 2: Convert to fraction form
    347,631,708.80/521,447,563.20 = 156,528,732.80/x
  3. Step 3: Cross multiply
    347,631,708.80x = 521,447,563.20 × 156,528,732.80
  4. Step 4: Simplify right side
    347,631,708.80x = 81,621,526,289,343,920
  5. Step 5: Solve for x
    x = 81,621,526,289,343,920/347,631,708.80
  6. Step 6: Final answer
    x = 234,793,099.20

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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.