Home / 156,057,122.82-234,162,598.47-73,064,484.78

Finding the Fourth Proportional to 156,057,122.82, 234,162,598.47 and 73,064,484.78

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Solution

The fourth proportional to 156,057,122.82, 234,162,598.47 and 73,064,484.78 is: 109,632,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,057,122.82 : 234,162,598.47 = 73,064,484.78 : x
  2. Step 2: Convert to fraction form
    156,057,122.82/234,162,598.47 = 73,064,484.78/x
  3. Step 3: Cross multiply
    156,057,122.82x = 234,162,598.47 × 73,064,484.78
  4. Step 4: Simplify right side
    156,057,122.82x = 17,108,969,611,956,566
  5. Step 5: Solve for x
    x = 17,108,969,611,956,566/156,057,122.82
  6. Step 6: Final answer
    x = 109,632,737.70

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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.