Home / 329,648,936.40-494,473,404.60-99,653,518.80

Finding the Fourth Proportional to 329,648,936.40, 494,473,404.60 and 99,653,518.80

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Solution

The fourth proportional to 329,648,936.40, 494,473,404.60 and 99,653,518.80 is: 149,480,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,648,936.40 : 494,473,404.60 = 99,653,518.80 : x
  2. Step 2: Convert to fraction form
    329,648,936.40/494,473,404.60 = 99,653,518.80/x
  3. Step 3: Cross multiply
    329,648,936.40x = 494,473,404.60 × 99,653,518.80
  4. Step 4: Simplify right side
    329,648,936.40x = 49,276,014,721,406,104
  5. Step 5: Solve for x
    x = 49,276,014,721,406,104/329,648,936.40
  6. Step 6: Final answer
    x = 149,480,278.20

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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.