Home / 357,039,007.80-535,306,569.30-163,043,359.80

Finding the Fourth Proportional to 357,039,007.80, 535,306,569.30 and 163,043,359.80

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Solution

The fourth proportional to 357,039,007.80, 535,306,569.30 and 163,043,359.80 is: 244,449,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,039,007.80 : 535,306,569.30 = 163,043,359.80 : x
  2. Step 2: Convert to fraction form
    357,039,007.80/535,306,569.30 = 163,043,359.80/x
  3. Step 3: Cross multiply
    357,039,007.80x = 535,306,569.30 × 163,043,359.80
  4. Step 4: Simplify right side
    357,039,007.80x = 87,278,181,581,683,536
  5. Step 5: Solve for x
    x = 87,278,181,581,683,536/357,039,007.80
  6. Step 6: Final answer
    x = 244,449,989.15

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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.