Home / 43,685,666.20-65,528,499.30-40,993,031.80

Finding the Fourth Proportional to 43,685,666.20, 65,528,499.30 and 40,993,031.80

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Solution

The fourth proportional to 43,685,666.20, 65,528,499.30 and 40,993,031.80 is: 61,489,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685,666.20 : 65,528,499.30 = 40,993,031.80 : x
  2. Step 2: Convert to fraction form
    43,685,666.20/65,528,499.30 = 40,993,031.80/x
  3. Step 3: Cross multiply
    43,685,666.20x = 65,528,499.30 × 40,993,031.80
  4. Step 4: Simplify right side
    43,685,666.20x = 2,686,211,855,611,177.50
  5. Step 5: Solve for x
    x = 2,686,211,855,611,177.50/43,685,666.20
  6. Step 6: Final answer
    x = 61,489,547.70

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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.