Home / 123,034,213.20-184,551,319.80-121,121,025.60

Finding the Fourth Proportional to 123,034,213.20, 184,551,319.80 and 121,121,025.60

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Solution

The fourth proportional to 123,034,213.20, 184,551,319.80 and 121,121,025.60 is: 181,681,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,034,213.20 : 184,551,319.80 = 121,121,025.60 : x
  2. Step 2: Convert to fraction form
    123,034,213.20/184,551,319.80 = 121,121,025.60/x
  3. Step 3: Cross multiply
    123,034,213.20x = 184,551,319.80 × 121,121,025.60
  4. Step 4: Simplify right side
    123,034,213.20x = 22,353,045,130,009,588
  5. Step 5: Solve for x
    x = 22,353,045,130,009,588/123,034,213.20
  6. Step 6: Final answer
    x = 181,681,538.40

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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.