Home / 268,635,833.40-402,953,750.10-210,185,196.60

Finding the Fourth Proportional to 268,635,833.40, 402,953,750.10 and 210,185,196.60

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Solution

The fourth proportional to 268,635,833.40, 402,953,750.10 and 210,185,196.60 is: 315,277,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,635,833.40 : 402,953,750.10 = 210,185,196.60 : x
  2. Step 2: Convert to fraction form
    268,635,833.40/402,953,750.10 = 210,185,196.60/x
  3. Step 3: Cross multiply
    268,635,833.40x = 402,953,750.10 × 210,185,196.60
  4. Step 4: Simplify right side
    268,635,833.40x = 84,694,913,185,475,776
  5. Step 5: Solve for x
    x = 84,694,913,185,475,776/268,635,833.40
  6. Step 6: Final answer
    x = 315,277,794.90

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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.