Home / 173,865,843.40-260,798,765.10-155,725,990.60

Finding the Fourth Proportional to 173,865,843.40, 260,798,765.10 and 155,725,990.60

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Solution

The fourth proportional to 173,865,843.40, 260,798,765.10 and 155,725,990.60 is: 233,588,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,865,843.40 : 260,798,765.10 = 155,725,990.60 : x
  2. Step 2: Convert to fraction form
    173,865,843.40/260,798,765.10 = 155,725,990.60/x
  3. Step 3: Cross multiply
    173,865,843.40x = 260,798,765.10 × 155,725,990.60
  4. Step 4: Simplify right side
    173,865,843.40x = 40,613,146,042,454,208
  5. Step 5: Solve for x
    x = 40,613,146,042,454,208/173,865,843.40
  6. Step 6: Final answer
    x = 233,588,985.90

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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.