Home / 343,534,350.40-515,125,010.40-101,165,761.60

Finding the Fourth Proportional to 343,534,350.40, 515,125,010.40 and 101,165,761.60

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Solution

The fourth proportional to 343,534,350.40, 515,125,010.40 and 101,165,761.60 is: 151,696,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,534,350.40 : 515,125,010.40 = 101,165,761.60 : x
  2. Step 2: Convert to fraction form
    343,534,350.40/515,125,010.40 = 101,165,761.60/x
  3. Step 3: Cross multiply
    343,534,350.40x = 515,125,010.40 × 101,165,761.60
  4. Step 4: Simplify right side
    343,534,350.40x = 52,113,013,996,323,912
  5. Step 5: Solve for x
    x = 52,113,013,996,323,912/343,534,350.40
  6. Step 6: Final answer
    x = 151,696,661.30

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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.