Home / 123,039,099.70-184,558,649.55-121,125,912.10

Finding the Fourth Proportional to 123,039,099.70, 184,558,649.55 and 121,125,912.10

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Solution

The fourth proportional to 123,039,099.70, 184,558,649.55 and 121,125,912.10 is: 181,688,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,039,099.70 : 184,558,649.55 = 121,125,912.10 : x
  2. Step 2: Convert to fraction form
    123,039,099.70/184,558,649.55 = 121,125,912.10/x
  3. Step 3: Cross multiply
    123,039,099.70x = 184,558,649.55 × 121,125,912.10
  4. Step 4: Simplify right side
    123,039,099.70x = 22,354,834,762,688,004
  5. Step 5: Solve for x
    x = 22,354,834,762,688,004/123,039,099.70
  6. Step 6: Final answer
    x = 181,688,868.15

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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.