Home / 252,964,812.60-379,447,218.90-71,211,990.60

Finding the Fourth Proportional to 252,964,812.60, 379,447,218.90 and 71,211,990.60

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Solution

The fourth proportional to 252,964,812.60, 379,447,218.90 and 71,211,990.60 is: 106,817,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,964,812.60 : 379,447,218.90 = 71,211,990.60 : x
  2. Step 2: Convert to fraction form
    252,964,812.60/379,447,218.90 = 71,211,990.60/x
  3. Step 3: Cross multiply
    252,964,812.60x = 379,447,218.90 × 71,211,990.60
  4. Step 4: Simplify right side
    252,964,812.60x = 27,021,191,785,502,940
  5. Step 5: Solve for x
    x = 27,021,191,785,502,940/252,964,812.60
  6. Step 6: Final answer
    x = 106,817,985.90

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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.