Home / 103,164,004.90-154,746,007.35-68,726,628.10

Finding the Fourth Proportional to 103,164,004.90, 154,746,007.35 and 68,726,628.10

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Solution

The fourth proportional to 103,164,004.90, 154,746,007.35 and 68,726,628.10 is: 103,089,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,164,004.90 : 154,746,007.35 = 68,726,628.10 : x
  2. Step 2: Convert to fraction form
    103,164,004.90/154,746,007.35 = 68,726,628.10/x
  3. Step 3: Cross multiply
    103,164,004.90x = 154,746,007.35 × 68,726,628.10
  4. Step 4: Simplify right side
    103,164,004.90x = 10,635,171,297,103,316
  5. Step 5: Solve for x
    x = 10,635,171,297,103,316/103,164,004.90
  6. Step 6: Final answer
    x = 103,089,942.15

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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.