Home / 181,445,620.80-272,168,431.20-66,433,915.20

Finding the Fourth Proportional to 181,445,620.80, 272,168,431.20 and 66,433,915.20

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Solution

The fourth proportional to 181,445,620.80, 272,168,431.20 and 66,433,915.20 is: 99,650,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445,620.80 : 272,168,431.20 = 66,433,915.20 : x
  2. Step 2: Convert to fraction form
    181,445,620.80/272,168,431.20 = 66,433,915.20/x
  3. Step 3: Cross multiply
    181,445,620.80x = 272,168,431.20 × 66,433,915.20
  4. Step 4: Simplify right side
    181,445,620.80x = 18,081,214,478,457,836
  5. Step 5: Solve for x
    x = 18,081,214,478,457,836/181,445,620.80
  6. Step 6: Final answer
    x = 99,650,872.80

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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.