Home / 229,392,040.80-343,864,112.40-205,205,570.40

Finding the Fourth Proportional to 229,392,040.80, 343,864,112.40 and 205,205,570.40

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Solution

The fourth proportional to 229,392,040.80, 343,864,112.40 and 205,205,570.40 is: 307,608,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,392,040.80 : 343,864,112.40 = 205,205,570.40 : x
  2. Step 2: Convert to fraction form
    229,392,040.80/343,864,112.40 = 205,205,570.40/x
  3. Step 3: Cross multiply
    229,392,040.80x = 343,864,112.40 × 205,205,570.40
  4. Step 4: Simplify right side
    229,392,040.80x = 70,562,831,325,131,712
  5. Step 5: Solve for x
    x = 70,562,831,325,131,712/229,392,040.80
  6. Step 6: Final answer
    x = 307,608,019.35

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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.