Home / 229,247,999.20-343,871,998.80-147,618,661.60

Finding the Fourth Proportional to 229,247,999.20, 343,871,998.80 and 147,618,661.60

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Solution

The fourth proportional to 229,247,999.20, 343,871,998.80 and 147,618,661.60 is: 221,427,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,247,999.20 : 343,871,998.80 = 147,618,661.60 : x
  2. Step 2: Convert to fraction form
    229,247,999.20/343,871,998.80 = 147,618,661.60/x
  3. Step 3: Cross multiply
    229,247,999.20x = 343,871,998.80 × 147,618,661.60
  4. Step 4: Simplify right side
    229,247,999.20x = 50,761,924,224,572,808
  5. Step 5: Solve for x
    x = 50,761,924,224,572,808/229,247,999.20
  6. Step 6: Final answer
    x = 221,427,992.40

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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.