Home / 111,456,009.60-167,184,014.40-99,551,731.20

Finding the Fourth Proportional to 111,456,009.60, 167,184,014.40 and 99,551,731.20

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Solution

The fourth proportional to 111,456,009.60, 167,184,014.40 and 99,551,731.20 is: 149,327,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,009.60 : 167,184,014.40 = 99,551,731.20 : x
  2. Step 2: Convert to fraction form
    111,456,009.60/167,184,014.40 = 99,551,731.20/x
  3. Step 3: Cross multiply
    111,456,009.60x = 167,184,014.40 × 99,551,731.20
  4. Step 4: Simplify right side
    111,456,009.60x = 16,643,458,062,485,730
  5. Step 5: Solve for x
    x = 16,643,458,062,485,730/111,456,009.60
  6. Step 6: Final answer
    x = 149,327,596.80

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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.