Home / 252,745,946.70-379,118,920.05-143,528,916.30

Finding the Fourth Proportional to 252,745,946.70, 379,118,920.05 and 143,528,916.30

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Solution

The fourth proportional to 252,745,946.70, 379,118,920.05 and 143,528,916.30 is: 215,293,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,745,946.70 : 379,118,920.05 = 143,528,916.30 : x
  2. Step 2: Convert to fraction form
    252,745,946.70/379,118,920.05 = 143,528,916.30/x
  3. Step 3: Cross multiply
    252,745,946.70x = 379,118,920.05 × 143,528,916.30
  4. Step 4: Simplify right side
    252,745,946.70x = 54,414,527,743,602,848
  5. Step 5: Solve for x
    x = 54,414,527,743,602,848/252,745,946.70
  6. Step 6: Final answer
    x = 215,293,374.45

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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.