Home / 304,009,349.12-419,533,519.97-164,780,205.20

Finding the Fourth Proportional to 304,009,349.12, 419,533,519.97 and 164,780,205.20

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Solution

The fourth proportional to 304,009,349.12, 419,533,519.97 and 164,780,205.20 is: 227,397,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,009,349.12 : 419,533,519.97 = 164,780,205.20 : x
  2. Step 2: Convert to fraction form
    304,009,349.12/419,533,519.97 = 164,780,205.20/x
  3. Step 3: Cross multiply
    304,009,349.12x = 419,533,519.97 × 164,780,205.20
  4. Step 4: Simplify right side
    304,009,349.12x = 69,130,819,507,249,184
  5. Step 5: Solve for x
    x = 69,130,819,507,249,184/304,009,349.12
  6. Step 6: Final answer
    x = 227,397,018.24

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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.