Home / 77,112,506.26-115,669,029.76-19,604,783.62

Finding the Fourth Proportional to 77,112,506.26, 115,669,029.76 and 19,604,783.62

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Solution

The fourth proportional to 77,112,506.26, 115,669,029.76 and 19,604,783.62 is: 29,407,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,112,506.26 : 115,669,029.76 = 19,604,783.62 : x
  2. Step 2: Convert to fraction form
    77,112,506.26/115,669,029.76 = 19,604,783.62/x
  3. Step 3: Cross multiply
    77,112,506.26x = 115,669,029.76 × 19,604,783.62
  4. Step 4: Simplify right side
    77,112,506.26x = 2,267,666,299,980,141
  5. Step 5: Solve for x
    x = 2,267,666,299,980,141/77,112,506.26
  6. Step 6: Final answer
    x = 29,407,244.17

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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.