Home / 68,172,922.80-102,259,384.20-46,649,562.30

Finding the Fourth Proportional to 68,172,922.80, 102,259,384.20 and 46,649,562.30

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Solution

The fourth proportional to 68,172,922.80, 102,259,384.20 and 46,649,562.30 is: 69,974,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172,922.80 : 102,259,384.20 = 46,649,562.30 : x
  2. Step 2: Convert to fraction form
    68,172,922.80/102,259,384.20 = 46,649,562.30/x
  3. Step 3: Cross multiply
    68,172,922.80x = 102,259,384.20 × 46,649,562.30
  4. Step 4: Simplify right side
    68,172,922.80x = 4,770,355,513,997,535
  5. Step 5: Solve for x
    x = 4,770,355,513,997,535/68,172,922.80
  6. Step 6: Final answer
    x = 69,974,343.45

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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.