Home / 80,849,664,055.80-121,274,496,083.70-28,487,448,631.80

Finding the Fourth Proportional to 80,849,664,055.80, 121,274,496,083.70 and 28,487,448,631.80

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Solution

The fourth proportional to 80,849,664,055.80, 121,274,496,083.70 and 28,487,448,631.80 is: 42,731,172,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849,664,055.80 : 121,274,496,083.70 = 28,487,448,631.80 : x
  2. Step 2: Convert to fraction form
    80,849,664,055.80/121,274,496,083.70 = 28,487,448,631.80/x
  3. Step 3: Cross multiply
    80,849,664,055.80x = 121,274,496,083.70 × 28,487,448,631.80
  4. Step 4: Simplify right side
    80,849,664,055.80x = 3,454,800,977,531,833,942,016
  5. Step 5: Solve for x
    x = 3,454,800,977,531,833,942,016/80,849,664,055.80
  6. Step 6: Final answer
    x = 42,731,172,947.70

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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.