Home / 115,556,443.04-159,450,860.79-70,270,085.81

Finding the Fourth Proportional to 115,556,443.04, 159,450,860.79 and 70,270,085.81

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Solution

The fourth proportional to 115,556,443.04, 159,450,860.79 and 70,270,085.81 is: 96,962,362.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,556,443.04 : 159,450,860.79 = 70,270,085.81 : x
  2. Step 2: Convert to fraction form
    115,556,443.04/159,450,860.79 = 70,270,085.81/x
  3. Step 3: Cross multiply
    115,556,443.04x = 159,450,860.79 × 70,270,085.81
  4. Step 4: Simplify right side
    115,556,443.04x = 11,204,625,669,394,410
  5. Step 5: Solve for x
    x = 11,204,625,669,394,410/115,556,443.04
  6. Step 6: Final answer
    x = 96,962,362.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.