Home / 144,472,905-199,372,008.96-85,783,881.96

Finding the Fourth Proportional to 144,472,905, 199,372,008.96 and 85,783,881.96

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Solution

The fourth proportional to 144,472,905, 199,372,008.96 and 85,783,881.96 is: 118,381,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472,905 : 199,372,008.96 = 85,783,881.96 : x
  2. Step 2: Convert to fraction form
    144,472,905/199,372,008.96 = 85,783,881.96/x
  3. Step 3: Cross multiply
    144,472,905x = 199,372,008.96 × 85,783,881.96
  4. Step 4: Simplify right side
    144,472,905x = 17,102,904,882,752,702
  5. Step 5: Solve for x
    x = 17,102,904,882,752,702/144,472,905
  6. Step 6: Final answer
    x = 118,381,400.88

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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.