Home / 43,684,807.20-65,527,210.80-40,992,172.80

Finding the Fourth Proportional to 43,684,807.20, 65,527,210.80 and 40,992,172.80

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Solution

The fourth proportional to 43,684,807.20, 65,527,210.80 and 40,992,172.80 is: 61,488,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,684,807.20 : 65,527,210.80 = 40,992,172.80 : x
  2. Step 2: Convert to fraction form
    43,684,807.20/65,527,210.80 = 40,992,172.80/x
  3. Step 3: Cross multiply
    43,684,807.20x = 65,527,210.80 × 40,992,172.80
  4. Step 4: Simplify right side
    43,684,807.20x = 2,686,102,748,215,626
  5. Step 5: Solve for x
    x = 2,686,102,748,215,626/43,684,807.20
  6. Step 6: Final answer
    x = 61,488,259.20

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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.