Home / 284,870,323.60-427,297,513.80-90,793,384.84

Finding the Fourth Proportional to 284,870,323.60, 427,297,513.80 and 90,793,384.84

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Solution

The fourth proportional to 284,870,323.60, 427,297,513.80 and 90,793,384.84 is: 136,187,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,870,323.60 : 427,297,513.80 = 90,793,384.84 : x
  2. Step 2: Convert to fraction form
    284,870,323.60/427,297,513.80 = 90,793,384.84/x
  3. Step 3: Cross multiply
    284,870,323.60x = 427,297,513.80 × 90,793,384.84
  4. Step 4: Simplify right side
    284,870,323.60x = 38,795,787,611,618,616
  5. Step 5: Solve for x
    x = 38,795,787,611,618,616/284,870,323.60
  6. Step 6: Final answer
    x = 136,187,536.57

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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.