Home / 248,853,678.40-373,280,517.60-197,457,428.80

Finding the Fourth Proportional to 248,853,678.40, 373,280,517.60 and 197,457,428.80

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Solution

The fourth proportional to 248,853,678.40, 373,280,517.60 and 197,457,428.80 is: 296,186,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,853,678.40 : 373,280,517.60 = 197,457,428.80 : x
  2. Step 2: Convert to fraction form
    248,853,678.40/373,280,517.60 = 197,457,428.80/x
  3. Step 3: Cross multiply
    248,853,678.40x = 373,280,517.60 × 197,457,428.80
  4. Step 4: Simplify right side
    248,853,678.40x = 73,707,011,226,429,152
  5. Step 5: Solve for x
    x = 73,707,011,226,429,152/248,853,678.40
  6. Step 6: Final answer
    x = 296,186,143.20

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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.