Home / 172,017,505.50-237,377,444.28-105,148,415.58

Finding the Fourth Proportional to 172,017,505.50, 237,377,444.28 and 105,148,415.58

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Solution

The fourth proportional to 172,017,505.50, 237,377,444.28 and 105,148,415.58 is: 145,100,709.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,017,505.50 : 237,377,444.28 = 105,148,415.58 : x
  2. Step 2: Convert to fraction form
    172,017,505.50/237,377,444.28 = 105,148,415.58/x
  3. Step 3: Cross multiply
    172,017,505.50x = 237,377,444.28 × 105,148,415.58
  4. Step 4: Simplify right side
    172,017,505.50x = 24,959,862,160,471,732
  5. Step 5: Solve for x
    x = 24,959,862,160,471,732/172,017,505.50
  6. Step 6: Final answer
    x = 145,100,709.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.