Home / 343,739,552.52-515,604,276.78-84,954,795

Finding the Fourth Proportional to 343,739,552.52, 515,604,276.78 and 84,954,795

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Solution

The fourth proportional to 343,739,552.52, 515,604,276.78 and 84,954,795 is: 127,430,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,739,552.52 : 515,604,276.78 = 84,954,795 : x
  2. Step 2: Convert to fraction form
    343,739,552.52/515,604,276.78 = 84,954,795/x
  3. Step 3: Cross multiply
    343,739,552.52x = 515,604,276.78 × 84,954,795
  4. Step 4: Simplify right side
    343,739,552.52x = 43,803,055,634,968,160
  5. Step 5: Solve for x
    x = 43,803,055,634,968,160/343,739,552.52
  6. Step 6: Final answer
    x = 127,430,943.90

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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.