Home / 229,696,216.20-344,796,266.70-143,531,915.40

Finding the Fourth Proportional to 229,696,216.20, 344,796,266.70 and 143,531,915.40

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Solution

The fourth proportional to 229,696,216.20, 344,796,266.70 and 143,531,915.40 is: 215,455,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,696,216.20 : 344,796,266.70 = 143,531,915.40 : x
  2. Step 2: Convert to fraction form
    229,696,216.20/344,796,266.70 = 143,531,915.40/x
  3. Step 3: Cross multiply
    229,696,216.20x = 344,796,266.70 × 143,531,915.40
  4. Step 4: Simplify right side
    229,696,216.20x = 49,489,268,582,220,240
  5. Step 5: Solve for x
    x = 49,489,268,582,220,240/229,696,216.20
  6. Step 6: Final answer
    x = 215,455,306.15

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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.