Home / 252,081,010.20-378,121,515.30-174,596,912.40

Finding the Fourth Proportional to 252,081,010.20, 378,121,515.30 and 174,596,912.40

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Solution

The fourth proportional to 252,081,010.20, 378,121,515.30 and 174,596,912.40 is: 261,895,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,081,010.20 : 378,121,515.30 = 174,596,912.40 : x
  2. Step 2: Convert to fraction form
    252,081,010.20/378,121,515.30 = 174,596,912.40/x
  3. Step 3: Cross multiply
    252,081,010.20x = 378,121,515.30 × 174,596,912.40
  4. Step 4: Simplify right side
    252,081,010.20x = 66,018,849,083,389,368
  5. Step 5: Solve for x
    x = 66,018,849,083,389,368/252,081,010.20
  6. Step 6: Final answer
    x = 261,895,368.60

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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.