Home / 309,554,176.40-464,535,568.41-164,089,889.69

Finding the Fourth Proportional to 309,554,176.40, 464,535,568.41 and 164,089,889.69

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Solution

The fourth proportional to 309,554,176.40, 464,535,568.41 and 164,089,889.69 is: 246,243,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,554,176.40 : 464,535,568.41 = 164,089,889.69 : x
  2. Step 2: Convert to fraction form
    309,554,176.40/464,535,568.41 = 164,089,889.69/x
  3. Step 3: Cross multiply
    309,554,176.40x = 464,535,568.41 × 164,089,889.69
  4. Step 4: Simplify right side
    309,554,176.40x = 76,225,590,177,478,352
  5. Step 5: Solve for x
    x = 76,225,590,177,478,352/309,554,176.40
  6. Step 6: Final answer
    x = 246,243,132.83

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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.