Home / 248,457,986.40-372,683,480.40-112,143,151.20

Finding the Fourth Proportional to 248,457,986.40, 372,683,480.40 and 112,143,151.20

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Solution

The fourth proportional to 248,457,986.40, 372,683,480.40 and 112,143,151.20 is: 168,213,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,457,986.40 : 372,683,480.40 = 112,143,151.20 : x
  2. Step 2: Convert to fraction form
    248,457,986.40/372,683,480.40 = 112,143,151.20/x
  3. Step 3: Cross multiply
    248,457,986.40x = 372,683,480.40 × 112,143,151.20
  4. Step 4: Simplify right side
    248,457,986.40x = 41,793,899,892,239,432
  5. Step 5: Solve for x
    x = 41,793,899,892,239,432/248,457,986.40
  6. Step 6: Final answer
    x = 168,213,147.41

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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.