Home / 161,289,975.20-241,934,962.80-40,121,427.20

Finding the Fourth Proportional to 161,289,975.20, 241,934,962.80 and 40,121,427.20

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Solution

The fourth proportional to 161,289,975.20, 241,934,962.80 and 40,121,427.20 is: 60,182,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289,975.20 : 241,934,962.80 = 40,121,427.20 : x
  2. Step 2: Convert to fraction form
    161,289,975.20/241,934,962.80 = 40,121,427.20/x
  3. Step 3: Cross multiply
    161,289,975.20x = 241,934,962.80 × 40,121,427.20
  4. Step 4: Simplify right side
    161,289,975.20x = 9,706,775,997,114,910
  5. Step 5: Solve for x
    x = 9,706,775,997,114,910/161,289,975.20
  6. Step 6: Final answer
    x = 60,182,140.80

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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.