Home / 121,205,460.37-181,833,724.48-39,317,944.69

Finding the Fourth Proportional to 121,205,460.37, 181,833,724.48 and 39,317,944.69

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Solution

The fourth proportional to 121,205,460.37, 181,833,724.48 and 39,317,944.69 is: 58,985,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205,460.37 : 181,833,724.48 = 39,317,944.69 : x
  2. Step 2: Convert to fraction form
    121,205,460.37/181,833,724.48 = 39,317,944.69/x
  3. Step 3: Cross multiply
    121,205,460.37x = 181,833,724.48 × 39,317,944.69
  4. Step 4: Simplify right side
    121,205,460.37x = 7,149,328,321,881,338
  5. Step 5: Solve for x
    x = 7,149,328,321,881,338/121,205,460.37
  6. Step 6: Final answer
    x = 58,985,200.01

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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.