Home / 329,913,009.20-494,869,513.80-99,893,534.60

Finding the Fourth Proportional to 329,913,009.20, 494,869,513.80 and 99,893,534.60

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Solution

The fourth proportional to 329,913,009.20, 494,869,513.80 and 99,893,534.60 is: 149,840,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,913,009.20 : 494,869,513.80 = 99,893,534.60 : x
  2. Step 2: Convert to fraction form
    329,913,009.20/494,869,513.80 = 99,893,534.60/x
  3. Step 3: Cross multiply
    329,913,009.20x = 494,869,513.80 × 99,893,534.60
  4. Step 4: Simplify right side
    329,913,009.20x = 49,434,264,899,265,472
  5. Step 5: Solve for x
    x = 49,434,264,899,265,472/329,913,009.20
  6. Step 6: Final answer
    x = 149,840,301.90

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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.