Home / 248,853,670.40-373,280,505.60-197,457,420.80

Finding the Fourth Proportional to 248,853,670.40, 373,280,505.60 and 197,457,420.80

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Solution

The fourth proportional to 248,853,670.40, 373,280,505.60 and 197,457,420.80 is: 296,186,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,853,670.40 : 373,280,505.60 = 197,457,420.80 : x
  2. Step 2: Convert to fraction form
    248,853,670.40/373,280,505.60 = 197,457,420.80/x
  3. Step 3: Cross multiply
    248,853,670.40x = 373,280,505.60 × 197,457,420.80
  4. Step 4: Simplify right side
    248,853,670.40x = 73,707,005,870,695,968
  5. Step 5: Solve for x
    x = 73,707,005,870,695,968/248,853,670.40
  6. Step 6: Final answer
    x = 296,186,131.20

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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.