Home / 154,324,443.04-212,870,858.59-91,556,102.35

Finding the Fourth Proportional to 154,324,443.04, 212,870,858.59 and 91,556,102.35

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Solution

The fourth proportional to 154,324,443.04, 212,870,858.59 and 91,556,102.35 is: 126,289,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,324,443.04 : 212,870,858.59 = 91,556,102.35 : x
  2. Step 2: Convert to fraction form
    154,324,443.04/212,870,858.59 = 91,556,102.35/x
  3. Step 3: Cross multiply
    154,324,443.04x = 212,870,858.59 × 91,556,102.35
  4. Step 4: Simplify right side
    154,324,443.04x = 19,489,626,116,779,864
  5. Step 5: Solve for x
    x = 19,489,626,116,779,864/154,324,443.04
  6. Step 6: Final answer
    x = 126,289,949.49

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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.