Home / 307,466,256.60-460,639,512.90-145,551,274.20

Finding the Fourth Proportional to 307,466,256.60, 460,639,512.90 and 145,551,274.20

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Solution

The fourth proportional to 307,466,256.60, 460,639,512.90 and 145,551,274.20 is: 218,061,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,466,256.60 : 460,639,512.90 = 145,551,274.20 : x
  2. Step 2: Convert to fraction form
    307,466,256.60/460,639,512.90 = 145,551,274.20/x
  3. Step 3: Cross multiply
    307,466,256.60x = 460,639,512.90 × 145,551,274.20
  4. Step 4: Simplify right side
    307,466,256.60x = 67,046,668,049,462,328
  5. Step 5: Solve for x
    x = 67,046,668,049,462,328/307,466,256.60
  6. Step 6: Final answer
    x = 218,061,873.82

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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.