Home / 100,930,171,771.65-139,253,398,790.96-58,109,553,673.70

Finding the Fourth Proportional to 100,930,171,771.65, 139,253,398,790.96 and 58,109,553,673.70

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Solution

The fourth proportional to 100,930,171,771.65, 139,253,398,790.96 and 58,109,553,673.70 is: 80,173,774,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,930,171,771.65 : 139,253,398,790.96 = 58,109,553,673.70 : x
  2. Step 2: Convert to fraction form
    100,930,171,771.65/139,253,398,790.96 = 58,109,553,673.70/x
  3. Step 3: Cross multiply
    100,930,171,771.65x = 139,253,398,790.96 × 58,109,553,673.70
  4. Step 4: Simplify right side
    100,930,171,771.65x = 8,091,952,851,288,439,390,208
  5. Step 5: Solve for x
    x = 8,091,952,851,288,439,390,208/100,930,171,771.65
  6. Step 6: Final answer
    x = 80,173,774,692.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.