Home / 189,297,681.21-283,946,522.22-45,690,513.21

Finding the Fourth Proportional to 189,297,681.21, 283,946,522.22 and 45,690,513.21

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Solution

The fourth proportional to 189,297,681.21, 283,946,522.22 and 45,690,513.21 is: 68,535,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,297,681.21 : 283,946,522.22 = 45,690,513.21 : x
  2. Step 2: Convert to fraction form
    189,297,681.21/283,946,522.22 = 45,690,513.21/x
  3. Step 3: Cross multiply
    189,297,681.21x = 283,946,522.22 × 45,690,513.21
  4. Step 4: Simplify right side
    189,297,681.21x = 12,973,662,324,426,470
  5. Step 5: Solve for x
    x = 12,973,662,324,426,470/189,297,681.21
  6. Step 6: Final answer
    x = 68,535,769.91

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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.