Home / 140,570,711.60-210,992,083.04-67,838,692.64

Finding the Fourth Proportional to 140,570,711.60, 210,992,083.04 and 67,838,692.64

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Solution

The fourth proportional to 140,570,711.60, 210,992,083.04 and 67,838,692.64 is: 101,823,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,570,711.60 : 210,992,083.04 = 67,838,692.64 : x
  2. Step 2: Convert to fraction form
    140,570,711.60/210,992,083.04 = 67,838,692.64/x
  3. Step 3: Cross multiply
    140,570,711.60x = 210,992,083.04 × 67,838,692.64
  4. Step 4: Simplify right side
    140,570,711.60x = 14,313,427,070,823,916
  5. Step 5: Solve for x
    x = 14,313,427,070,823,916/140,570,711.60
  6. Step 6: Final answer
    x = 101,823,679.40

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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.