Home / 288,462,824.45-398,098,900.41-163,026,612.99

Finding the Fourth Proportional to 288,462,824.45, 398,098,900.41 and 163,026,612.99

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Solution

The fourth proportional to 288,462,824.45, 398,098,900.41 and 163,026,612.99 is: 224,988,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,462,824.45 : 398,098,900.41 = 163,026,612.99 : x
  2. Step 2: Convert to fraction form
    288,462,824.45/398,098,900.41 = 163,026,612.99/x
  3. Step 3: Cross multiply
    288,462,824.45x = 398,098,900.41 × 163,026,612.99
  4. Step 4: Simplify right side
    288,462,824.45x = 64,900,715,370,768,880
  5. Step 5: Solve for x
    x = 64,900,715,370,768,880/288,462,824.45
  6. Step 6: Final answer
    x = 224,988,143.60

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