Home / 143,955,172,248.75-198,658,801,338.30-79,724,550,015.90

Finding the Fourth Proportional to 143,955,172,248.75, 198,658,801,338.30 and 79,724,550,015.90

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Solution

The fourth proportional to 143,955,172,248.75, 198,658,801,338.30 and 79,724,550,015.90 is: 110,020,246,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955,172,248.75 : 198,658,801,338.30 = 79,724,550,015.90 : x
  2. Step 2: Convert to fraction form
    143,955,172,248.75/198,658,801,338.30 = 79,724,550,015.90/x
  3. Step 3: Cross multiply
    143,955,172,248.75x = 198,658,801,338.30 × 79,724,550,015.90
  4. Step 4: Simplify right side
    143,955,172,248.75x = 15,837,983,543,394,037,661,696
  5. Step 5: Solve for x
    x = 15,837,983,543,394,037,661,696/143,955,172,248.75
  6. Step 6: Final answer
    x = 110,020,246,553.05

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1.5x scale

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.