Home / 310,166,657.64-428,010,755.94-170,929,640.52

Finding the Fourth Proportional to 310,166,657.64, 428,010,755.94 and 170,929,640.52

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Solution

The fourth proportional to 310,166,657.64, 428,010,755.94 and 170,929,640.52 is: 235,872,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,166,657.64 : 428,010,755.94 = 170,929,640.52 : x
  2. Step 2: Convert to fraction form
    310,166,657.64/428,010,755.94 = 170,929,640.52/x
  3. Step 3: Cross multiply
    310,166,657.64x = 428,010,755.94 × 170,929,640.52
  4. Step 4: Simplify right side
    310,166,657.64x = 73,159,724,651,517,664
  5. Step 5: Solve for x
    x = 73,159,724,651,517,664/310,166,657.64
  6. Step 6: Final answer
    x = 235,872,305.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.