Home / 77,112,504.26-115,669,026.75-19,604,781.62

Finding the Fourth Proportional to 77,112,504.26, 115,669,026.75 and 19,604,781.62

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Solution

The fourth proportional to 77,112,504.26, 115,669,026.75 and 19,604,781.62 is: 29,407,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,112,504.26 : 115,669,026.75 = 19,604,781.62 : x
  2. Step 2: Convert to fraction form
    77,112,504.26/115,669,026.75 = 19,604,781.62/x
  3. Step 3: Cross multiply
    77,112,504.26x = 115,669,026.75 × 19,604,781.62
  4. Step 4: Simplify right side
    77,112,504.26x = 2,267,666,009,631,688.50
  5. Step 5: Solve for x
    x = 2,267,666,009,631,688.50/77,112,504.26
  6. Step 6: Final answer
    x = 29,407,241.17

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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.