Home / 80,496,040.40-120,744,060.60-74,827,336.40

Finding the Fourth Proportional to 80,496,040.40, 120,744,060.60 and 74,827,336.40

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Solution

The fourth proportional to 80,496,040.40, 120,744,060.60 and 74,827,336.40 is: 112,241,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496,040.40 : 120,744,060.60 = 74,827,336.40 : x
  2. Step 2: Convert to fraction form
    80,496,040.40/120,744,060.60 = 74,827,336.40/x
  3. Step 3: Cross multiply
    80,496,040.40x = 120,744,060.60 × 74,827,336.40
  4. Step 4: Simplify right side
    80,496,040.40x = 9,034,956,440,818,186
  5. Step 5: Solve for x
    x = 9,034,956,440,818,186/80,496,040.40
  6. Step 6: Final answer
    x = 112,241,004.60

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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.