Home / 351,021,660.80-526,532,491.20-169,623,132.80

Finding the Fourth Proportional to 351,021,660.80, 526,532,491.20 and 169,623,132.80

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Solution

The fourth proportional to 351,021,660.80, 526,532,491.20 and 169,623,132.80 is: 254,434,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021,660.80 : 526,532,491.20 = 169,623,132.80 : x
  2. Step 2: Convert to fraction form
    351,021,660.80/526,532,491.20 = 169,623,132.80/x
  3. Step 3: Cross multiply
    351,021,660.80x = 526,532,491.20 × 169,623,132.80
  4. Step 4: Simplify right side
    351,021,660.80x = 89,312,090,678,332,432
  5. Step 5: Solve for x
    x = 89,312,090,678,332,432/351,021,660.80
  6. Step 6: Final answer
    x = 254,434,699.20

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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.