Home / 238,464,009.60-357,696,014.40-212,933,846.40

Finding the Fourth Proportional to 238,464,009.60, 357,696,014.40 and 212,933,846.40

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Solution

The fourth proportional to 238,464,009.60, 357,696,014.40 and 212,933,846.40 is: 319,400,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,009.60 : 357,696,014.40 = 212,933,846.40 : x
  2. Step 2: Convert to fraction form
    238,464,009.60/357,696,014.40 = 212,933,846.40/x
  3. Step 3: Cross multiply
    238,464,009.60x = 357,696,014.40 × 212,933,846.40
  4. Step 4: Simplify right side
    238,464,009.60x = 76,165,588,188,141,792
  5. Step 5: Solve for x
    x = 76,165,588,188,141,792/238,464,009.60
  6. Step 6: Final answer
    x = 319,400,769.60

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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.