Home / 304,009,349.87-419,533,521.02-164,780,205.95

Finding the Fourth Proportional to 304,009,349.87, 419,533,521.02 and 164,780,205.95

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Solution

The fourth proportional to 304,009,349.87, 419,533,521.02 and 164,780,205.95 is: 227,397,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,009,349.87 : 419,533,521.02 = 164,780,205.95 : x
  2. Step 2: Convert to fraction form
    304,009,349.87/419,533,521.02 = 164,780,205.95/x
  3. Step 3: Cross multiply
    304,009,349.87x = 419,533,521.02 × 164,780,205.95
  4. Step 4: Simplify right side
    304,009,349.87x = 69,130,819,993,682,680
  5. Step 5: Solve for x
    x = 69,130,819,993,682,680/304,009,349.87
  6. Step 6: Final answer
    x = 227,397,019.28

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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.