Home / 323,532,001.20-485,298,001.80-105,181,921.20

Finding the Fourth Proportional to 323,532,001.20, 485,298,001.80 and 105,181,921.20

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Solution

The fourth proportional to 323,532,001.20, 485,298,001.80 and 105,181,921.20 is: 157,772,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,532,001.20 : 485,298,001.80 = 105,181,921.20 : x
  2. Step 2: Convert to fraction form
    323,532,001.20/485,298,001.80 = 105,181,921.20/x
  3. Step 3: Cross multiply
    323,532,001.20x = 485,298,001.80 × 105,181,921.20
  4. Step 4: Simplify right side
    323,532,001.20x = 51,044,576,183,845,064
  5. Step 5: Solve for x
    x = 51,044,576,183,845,064/323,532,001.20
  6. Step 6: Final answer
    x = 157,772,881.80

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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.