Home / 121,205,460.60-181,833,724.80-39,317,944.86

Finding the Fourth Proportional to 121,205,460.60, 181,833,724.80 and 39,317,944.86

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Solution

The fourth proportional to 121,205,460.60, 181,833,724.80 and 39,317,944.86 is: 58,985,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205,460.60 : 181,833,724.80 = 39,317,944.86 : x
  2. Step 2: Convert to fraction form
    121,205,460.60/181,833,724.80 = 39,317,944.86/x
  3. Step 3: Cross multiply
    121,205,460.60x = 181,833,724.80 × 39,317,944.86
  4. Step 4: Simplify right side
    121,205,460.60x = 7,149,328,365,374,815
  5. Step 5: Solve for x
    x = 7,149,328,365,374,815/121,205,460.60
  6. Step 6: Final answer
    x = 58,985,200.25

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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.