Home / 181,916,200.20-272,874,300.30-66,876,938.40

Finding the Fourth Proportional to 181,916,200.20, 272,874,300.30 and 66,876,938.40

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Solution

The fourth proportional to 181,916,200.20, 272,874,300.30 and 66,876,938.40 is: 100,315,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916,200.20 : 272,874,300.30 = 66,876,938.40 : x
  2. Step 2: Convert to fraction form
    181,916,200.20/272,874,300.30 = 66,876,938.40/x
  3. Step 3: Cross multiply
    181,916,200.20x = 272,874,300.30 × 66,876,938.40
  4. Step 4: Simplify right side
    181,916,200.20x = 18,248,997,772,106,200
  5. Step 5: Solve for x
    x = 18,248,997,772,106,200/181,916,200.20
  6. Step 6: Final answer
    x = 100,315,407.60

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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.