Home / 229,035,657.20-343,553,485.80-137,202,652.40

Finding the Fourth Proportional to 229,035,657.20, 343,553,485.80 and 137,202,652.40

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Solution

The fourth proportional to 229,035,657.20, 343,553,485.80 and 137,202,652.40 is: 205,803,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,035,657.20 : 343,553,485.80 = 137,202,652.40 : x
  2. Step 2: Convert to fraction form
    229,035,657.20/343,553,485.80 = 137,202,652.40/x
  3. Step 3: Cross multiply
    229,035,657.20x = 343,553,485.80 × 137,202,652.40
  4. Step 4: Simplify right side
    229,035,657.20x = 47,136,449,493,025,736
  5. Step 5: Solve for x
    x = 47,136,449,493,025,736/229,035,657.20
  6. Step 6: Final answer
    x = 205,803,978.60

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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.