Home / 181,743,912.80-272,615,869.20-109,184,501.60

Finding the Fourth Proportional to 181,743,912.80, 272,615,869.20 and 109,184,501.60

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Solution

The fourth proportional to 181,743,912.80, 272,615,869.20 and 109,184,501.60 is: 163,776,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,743,912.80 : 272,615,869.20 = 109,184,501.60 : x
  2. Step 2: Convert to fraction form
    181,743,912.80/272,615,869.20 = 109,184,501.60/x
  3. Step 3: Cross multiply
    181,743,912.80x = 272,615,869.20 × 109,184,501.60
  4. Step 4: Simplify right side
    181,743,912.80x = 29,765,427,806,852,788
  5. Step 5: Solve for x
    x = 29,765,427,806,852,788/181,743,912.80
  6. Step 6: Final answer
    x = 163,776,752.40

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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.