Home / 143,509,503.86-198,104,331.52-96,493,828.92

Finding the Fourth Proportional to 143,509,503.86, 198,104,331.52 and 96,493,828.92

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Solution

The fourth proportional to 143,509,503.86, 198,104,331.52 and 96,493,828.92 is: 133,202,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,509,503.86 : 198,104,331.52 = 96,493,828.92 : x
  2. Step 2: Convert to fraction form
    143,509,503.86/198,104,331.52 = 96,493,828.92/x
  3. Step 3: Cross multiply
    143,509,503.86x = 198,104,331.52 × 96,493,828.92
  4. Step 4: Simplify right side
    143,509,503.86x = 19,115,845,474,001,844
  5. Step 5: Solve for x
    x = 19,115,845,474,001,844/143,509,503.86
  6. Step 6: Final answer
    x = 133,202,644.84

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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.