Home / 181,432,003.80-272,148,005.70-66,420,298.20

Finding the Fourth Proportional to 181,432,003.80, 272,148,005.70 and 66,420,298.20

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Solution

The fourth proportional to 181,432,003.80, 272,148,005.70 and 66,420,298.20 is: 99,630,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,432,003.80 : 272,148,005.70 = 66,420,298.20 : x
  2. Step 2: Convert to fraction form
    181,432,003.80/272,148,005.70 = 66,420,298.20/x
  3. Step 3: Cross multiply
    181,432,003.80x = 272,148,005.70 × 66,420,298.20
  4. Step 4: Simplify right side
    181,432,003.80x = 18,076,151,693,129,300
  5. Step 5: Solve for x
    x = 18,076,151,693,129,300/181,432,003.80
  6. Step 6: Final answer
    x = 99,630,447.30

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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.