Home / 149,490,052.40-224,298,064.20-81,381,623.60

Finding the Fourth Proportional to 149,490,052.40, 224,298,064.20 and 81,381,623.60

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Solution

The fourth proportional to 149,490,052.40, 224,298,064.20 and 81,381,623.60 is: 122,106,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,052.40 : 224,298,064.20 = 81,381,623.60 : x
  2. Step 2: Convert to fraction form
    149,490,052.40/224,298,064.20 = 81,381,623.60/x
  3. Step 3: Cross multiply
    149,490,052.40x = 224,298,064.20 × 81,381,623.60
  4. Step 4: Simplify right side
    149,490,052.40x = 18,253,740,634,933,032
  5. Step 5: Solve for x
    x = 18,253,740,634,933,032/149,490,052.40
  6. Step 6: Final answer
    x = 122,106,724.44

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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.