Home / 288,961,096.98-398,764,291.32-156,798,732.54

Finding the Fourth Proportional to 288,961,096.98, 398,764,291.32 and 156,798,732.54

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Solution

The fourth proportional to 288,961,096.98, 398,764,291.32 and 156,798,732.54 is: 216,381,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,961,096.98 : 398,764,291.32 = 156,798,732.54 : x
  2. Step 2: Convert to fraction form
    288,961,096.98/398,764,291.32 = 156,798,732.54/x
  3. Step 3: Cross multiply
    288,961,096.98x = 398,764,291.32 × 156,798,732.54
  4. Step 4: Simplify right side
    288,961,096.98x = 62,525,735,461,187,320
  5. Step 5: Solve for x
    x = 62,525,735,461,187,320/288,961,096.98
  6. Step 6: Final answer
    x = 216,381,153.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.