Home / 161,682,739.80-242,559,539.10-79,840,825.80

Finding the Fourth Proportional to 161,682,739.80, 242,559,539.10 and 79,840,825.80

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Solution

The fourth proportional to 161,682,739.80, 242,559,539.10 and 79,840,825.80 is: 119,778,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,682,739.80 : 242,559,539.10 = 79,840,825.80 : x
  2. Step 2: Convert to fraction form
    161,682,739.80/242,559,539.10 = 79,840,825.80/x
  3. Step 3: Cross multiply
    161,682,739.80x = 242,559,539.10 × 79,840,825.80
  4. Step 4: Simplify right side
    161,682,739.80x = 19,366,153,907,411,388
  5. Step 5: Solve for x
    x = 19,366,153,907,411,388/161,682,739.80
  6. Step 6: Final answer
    x = 119,778,734.15

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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.