Home / 171,426,692.34-236,564,811.61-100,866,872.75

Finding the Fourth Proportional to 171,426,692.34, 236,564,811.61 and 100,866,872.75

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Solution

The fourth proportional to 171,426,692.34, 236,564,811.61 and 100,866,872.75 is: 139,193,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,692.34 : 236,564,811.61 = 100,866,872.75 : x
  2. Step 2: Convert to fraction form
    171,426,692.34/236,564,811.61 = 100,866,872.75/x
  3. Step 3: Cross multiply
    171,426,692.34x = 236,564,811.61 × 100,866,872.75
  4. Step 4: Simplify right side
    171,426,692.34x = 23,861,552,748,106,436
  5. Step 5: Solve for x
    x = 23,861,552,748,106,436/171,426,692.34
  6. Step 6: Final answer
    x = 139,193,916.79

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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.