Home / 329,828,014.80-494,798,009.40-99,795,272.40

Finding the Fourth Proportional to 329,828,014.80, 494,798,009.40 and 99,795,272.40

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Solution

The fourth proportional to 329,828,014.80, 494,798,009.40 and 99,795,272.40 is: 149,709,848.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,828,014.80 : 494,798,009.40 = 99,795,272.40 : x
  2. Step 2: Convert to fraction form
    329,828,014.80/494,798,009.40 = 99,795,272.40/x
  3. Step 3: Cross multiply
    329,828,014.80x = 494,798,009.40 × 99,795,272.40
  4. Step 4: Simplify right side
    329,828,014.80x = 49,378,502,131,050,760
  5. Step 5: Solve for x
    x = 49,378,502,131,050,760/329,828,014.80
  6. Step 6: Final answer
    x = 149,709,848.51

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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.