Home / 124,871,333.20-187,306,999.80-122,958,145.60

Finding the Fourth Proportional to 124,871,333.20, 187,306,999.80 and 122,958,145.60

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Solution

The fourth proportional to 124,871,333.20, 187,306,999.80 and 122,958,145.60 is: 184,437,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,871,333.20 : 187,306,999.80 = 122,958,145.60 : x
  2. Step 2: Convert to fraction form
    124,871,333.20/187,306,999.80 = 122,958,145.60/x
  3. Step 3: Cross multiply
    124,871,333.20x = 187,306,999.80 × 122,958,145.60
  4. Step 4: Simplify right side
    124,871,333.20x = 23,030,921,353,307,572
  5. Step 5: Solve for x
    x = 23,030,921,353,307,572/124,871,333.20
  6. Step 6: Final answer
    x = 184,437,218.40

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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.