Home / 121,242,331.35-181,892,179.53-39,361,051.35

Finding the Fourth Proportional to 121,242,331.35, 181,892,179.53 and 39,361,051.35

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Solution

The fourth proportional to 121,242,331.35, 181,892,179.53 and 39,361,051.35 is: 59,050,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,242,331.35 : 181,892,179.53 = 39,361,051.35 : x
  2. Step 2: Convert to fraction form
    121,242,331.35/181,892,179.53 = 39,361,051.35/x
  3. Step 3: Cross multiply
    121,242,331.35x = 181,892,179.53 × 39,361,051.35
  4. Step 4: Simplify right side
    121,242,331.35x = 7,159,467,418,643,749
  5. Step 5: Solve for x
    x = 7,159,467,418,643,749/121,242,331.35
  6. Step 6: Final answer
    x = 59,050,888.74

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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.