Home / 43,470,013.40-65,205,020.10-30,715,429.40

Finding the Fourth Proportional to 43,470,013.40, 65,205,020.10 and 30,715,429.40

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Solution

The fourth proportional to 43,470,013.40, 65,205,020.10 and 30,715,429.40 is: 46,073,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470,013.40 : 65,205,020.10 = 30,715,429.40 : x
  2. Step 2: Convert to fraction form
    43,470,013.40/65,205,020.10 = 30,715,429.40/x
  3. Step 3: Cross multiply
    43,470,013.40x = 65,205,020.10 × 30,715,429.40
  4. Step 4: Simplify right side
    43,470,013.40x = 2,002,800,191,407,131
  5. Step 5: Solve for x
    x = 2,002,800,191,407,131/43,470,013.40
  6. Step 6: Final answer
    x = 46,073,144.10

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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.