Home / 123,039,119.70-184,558,679.55-121,125,932.10

Finding the Fourth Proportional to 123,039,119.70, 184,558,679.55 and 121,125,932.10

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Solution

The fourth proportional to 123,039,119.70, 184,558,679.55 and 121,125,932.10 is: 181,688,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,039,119.70 : 184,558,679.55 = 121,125,932.10 : x
  2. Step 2: Convert to fraction form
    123,039,119.70/184,558,679.55 = 121,125,932.10/x
  3. Step 3: Cross multiply
    123,039,119.70x = 184,558,679.55 × 121,125,932.10
  4. Step 4: Simplify right side
    123,039,119.70x = 22,354,842,087,638,960
  5. Step 5: Solve for x
    x = 22,354,842,087,638,960/123,039,119.70
  6. Step 6: Final answer
    x = 181,688,898.15

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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.