Home / 217,812,418.14-326,717,443.53-125,636,405.34

Finding the Fourth Proportional to 217,812,418.14, 326,717,443.53 and 125,636,405.34

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Solution

The fourth proportional to 217,812,418.14, 326,717,443.53 and 125,636,405.34 is: 188,453,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,812,418.14 : 326,717,443.53 = 125,636,405.34 : x
  2. Step 2: Convert to fraction form
    217,812,418.14/326,717,443.53 = 125,636,405.34/x
  3. Step 3: Cross multiply
    217,812,418.14x = 326,717,443.53 × 125,636,405.34
  4. Step 4: Simplify right side
    217,812,418.14x = 41,047,605,166,983,640
  5. Step 5: Solve for x
    x = 41,047,605,166,983,640/217,812,418.14
  6. Step 6: Final answer
    x = 188,453,925.25

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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.