Home / 43,578,176.20-65,199,302.70-28,461,632.20

Finding the Fourth Proportional to 43,578,176.20, 65,199,302.70 and 28,461,632.20

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Solution

The fourth proportional to 43,578,176.20, 65,199,302.70 and 28,461,632.20 is: 42,582,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,176.20 : 65,199,302.70 = 28,461,632.20 : x
  2. Step 2: Convert to fraction form
    43,578,176.20/65,199,302.70 = 28,461,632.20/x
  3. Step 3: Cross multiply
    43,578,176.20x = 65,199,302.70 × 28,461,632.20
  4. Step 4: Simplify right side
    43,578,176.20x = 1,855,678,573,143,867
  5. Step 5: Solve for x
    x = 1,855,678,573,143,867/43,578,176.20
  6. Step 6: Final answer
    x = 42,582,749.78

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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.