Home / 186,147,982.51-278,858,724.84-145,014,823.19

Finding the Fourth Proportional to 186,147,982.51, 278,858,724.84 and 145,014,823.19

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Solution

The fourth proportional to 186,147,982.51, 278,858,724.84 and 145,014,823.19 is: 217,239,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,147,982.51 : 278,858,724.84 = 145,014,823.19 : x
  2. Step 2: Convert to fraction form
    186,147,982.51/278,858,724.84 = 145,014,823.19/x
  3. Step 3: Cross multiply
    186,147,982.51x = 278,858,724.84 × 145,014,823.19
  4. Step 4: Simplify right side
    186,147,982.51x = 40,438,648,678,358,600
  5. Step 5: Solve for x
    x = 40,438,648,678,358,600/186,147,982.51
  6. Step 6: Final answer
    x = 217,239,253.06

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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.