Home / 129,353,090.40-194,029,635.60-38,464,869.60

Finding the Fourth Proportional to 129,353,090.40, 194,029,635.60 and 38,464,869.60

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Solution

The fourth proportional to 129,353,090.40, 194,029,635.60 and 38,464,869.60 is: 57,697,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,353,090.40 : 194,029,635.60 = 38,464,869.60 : x
  2. Step 2: Convert to fraction form
    129,353,090.40/194,029,635.60 = 38,464,869.60/x
  3. Step 3: Cross multiply
    129,353,090.40x = 194,029,635.60 × 38,464,869.60
  4. Step 4: Simplify right side
    129,353,090.40x = 7,463,324,631,889,518
  5. Step 5: Solve for x
    x = 7,463,324,631,889,518/129,353,090.40
  6. Step 6: Final answer
    x = 57,697,304.40

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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.