Home / 199,360,040.10-299,173,807.35-69,967,400.10

Finding the Fourth Proportional to 199,360,040.10, 299,173,807.35 and 69,967,400.10

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Solution

The fourth proportional to 199,360,040.10, 299,173,807.35 and 69,967,400.10 is: 104,998,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,360,040.10 : 299,173,807.35 = 69,967,400.10 : x
  2. Step 2: Convert to fraction form
    199,360,040.10/299,173,807.35 = 69,967,400.10/x
  3. Step 3: Cross multiply
    199,360,040.10x = 299,173,807.35 × 69,967,400.10
  4. Step 4: Simplify right side
    199,360,040.10x = 20,932,413,478,297,772
  5. Step 5: Solve for x
    x = 20,932,413,478,297,772/199,360,040.10
  6. Step 6: Final answer
    x = 104,998,040.07

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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.