Home / 121,323,936.30-181,985,904.45-91,090,848.30

Finding the Fourth Proportional to 121,323,936.30, 181,985,904.45 and 91,090,848.30

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Solution

The fourth proportional to 121,323,936.30, 181,985,904.45 and 91,090,848.30 is: 136,636,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323,936.30 : 181,985,904.45 = 91,090,848.30 : x
  2. Step 2: Convert to fraction form
    121,323,936.30/181,985,904.45 = 91,090,848.30/x
  3. Step 3: Cross multiply
    121,323,936.30x = 181,985,904.45 × 91,090,848.30
  4. Step 4: Simplify right side
    121,323,936.30x = 16,577,250,414,993,244
  5. Step 5: Solve for x
    x = 16,577,250,414,993,244/121,323,936.30
  6. Step 6: Final answer
    x = 136,636,272.45

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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.