Home / 89,122,014.56-123,028,679.04-56,130,749.12

Finding the Fourth Proportional to 89,122,014.56, 123,028,679.04 and 56,130,749.12

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Solution

The fourth proportional to 89,122,014.56, 123,028,679.04 and 56,130,749.12 is: 77,485,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122,014.56 : 123,028,679.04 = 56,130,749.12 : x
  2. Step 2: Convert to fraction form
    89,122,014.56/123,028,679.04 = 56,130,749.12/x
  3. Step 3: Cross multiply
    89,122,014.56x = 123,028,679.04 × 56,130,749.12
  4. Step 4: Simplify right side
    89,122,014.56x = 6,905,691,917,759,242
  5. Step 5: Solve for x
    x = 6,905,691,917,759,242/89,122,014.56
  6. Step 6: Final answer
    x = 77,485,814.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.