Home / 72,579,881.70-109,032,024.15-60,635,945.70

Finding the Fourth Proportional to 72,579,881.70, 109,032,024.15 and 60,635,945.70

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Solution

The fourth proportional to 72,579,881.70, 109,032,024.15 and 60,635,945.70 is: 91,089,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,579,881.70 : 109,032,024.15 = 60,635,945.70 : x
  2. Step 2: Convert to fraction form
    72,579,881.70/109,032,024.15 = 60,635,945.70/x
  3. Step 3: Cross multiply
    72,579,881.70x = 109,032,024.15 × 60,635,945.70
  4. Step 4: Simplify right side
    72,579,881.70x = 6,611,259,895,920,489
  5. Step 5: Solve for x
    x = 6,611,259,895,920,489/72,579,881.70
  6. Step 6: Final answer
    x = 91,089,427.83

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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.