Home / 82,210,745.60-123,278,793.60-31,075,769.60

Finding the Fourth Proportional to 82,210,745.60, 123,278,793.60 and 31,075,769.60

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Solution

The fourth proportional to 82,210,745.60, 123,278,793.60 and 31,075,769.60 is: 46,599,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210,745.60 : 123,278,793.60 = 31,075,769.60 : x
  2. Step 2: Convert to fraction form
    82,210,745.60/123,278,793.60 = 31,075,769.60/x
  3. Step 3: Cross multiply
    82,210,745.60x = 123,278,793.60 × 31,075,769.60
  4. Step 4: Simplify right side
    82,210,745.60x = 3,830,983,386,479,554.50
  5. Step 5: Solve for x
    x = 3,830,983,386,479,554.50/82,210,745.60
  6. Step 6: Final answer
    x = 46,599,545.58

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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.