Home / 248,207,588.72-342,515,420.93-142,285,066.05

Finding the Fourth Proportional to 248,207,588.72, 342,515,420.93 and 142,285,066.05

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Solution

The fourth proportional to 248,207,588.72, 342,515,420.93 and 142,285,066.05 is: 196,347,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,207,588.72 : 342,515,420.93 = 142,285,066.05 : x
  2. Step 2: Convert to fraction form
    248,207,588.72/342,515,420.93 = 142,285,066.05/x
  3. Step 3: Cross multiply
    248,207,588.72x = 342,515,420.93 × 142,285,066.05
  4. Step 4: Simplify right side
    248,207,588.72x = 48,734,829,289,457,184
  5. Step 5: Solve for x
    x = 48,734,829,289,457,184/248,207,588.72
  6. Step 6: Final answer
    x = 196,347,055.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.