Home / 357,039,015.80-535,306,581.30-163,043,367.80

Finding the Fourth Proportional to 357,039,015.80, 535,306,581.30 and 163,043,367.80

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Solution

The fourth proportional to 357,039,015.80, 535,306,581.30 and 163,043,367.80 is: 244,450,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,039,015.80 : 535,306,581.30 = 163,043,367.80 : x
  2. Step 2: Convert to fraction form
    357,039,015.80/535,306,581.30 = 163,043,367.80/x
  3. Step 3: Cross multiply
    357,039,015.80x = 535,306,581.30 × 163,043,367.80
  4. Step 4: Simplify right side
    357,039,015.80x = 87,278,187,820,656,512
  5. Step 5: Solve for x
    x = 87,278,187,820,656,512/357,039,015.80
  6. Step 6: Final answer
    x = 244,450,001.14

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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.