Home / 161,758,795.20-242,638,192.80-46,747,089.60

Finding the Fourth Proportional to 161,758,795.20, 242,638,192.80 and 46,747,089.60

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Solution

The fourth proportional to 161,758,795.20, 242,638,192.80 and 46,747,089.60 is: 70,120,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,795.20 : 242,638,192.80 = 46,747,089.60 : x
  2. Step 2: Convert to fraction form
    161,758,795.20/242,638,192.80 = 46,747,089.60/x
  3. Step 3: Cross multiply
    161,758,795.20x = 242,638,192.80 × 46,747,089.60
  4. Step 4: Simplify right side
    161,758,795.20x = 11,342,629,339,203,676
  5. Step 5: Solve for x
    x = 11,342,629,339,203,676/161,758,795.20
  6. Step 6: Final answer
    x = 70,120,634.40

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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.