Home / 147,618,986.40-221,427,313.20-38,443,946.40

Finding the Fourth Proportional to 147,618,986.40, 221,427,313.20 and 38,443,946.40

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Solution

The fourth proportional to 147,618,986.40, 221,427,313.20 and 38,443,946.40 is: 57,665,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618,986.40 : 221,427,313.20 = 38,443,946.40 : x
  2. Step 2: Convert to fraction form
    147,618,986.40/221,427,313.20 = 38,443,946.40/x
  3. Step 3: Cross multiply
    147,618,986.40x = 221,427,313.20 × 38,443,946.40
  4. Step 4: Simplify right side
    147,618,986.40x = 8,512,539,760,156,812
  5. Step 5: Solve for x
    x = 8,512,539,760,156,812/147,618,986.40
  6. Step 6: Final answer
    x = 57,665,615.84

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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.