Home / 125,741,171.10-188,611,756.65-119,789,031.90

Finding the Fourth Proportional to 125,741,171.10, 188,611,756.65 and 119,789,031.90

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Solution

The fourth proportional to 125,741,171.10, 188,611,756.65 and 119,789,031.90 is: 179,683,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741,171.10 : 188,611,756.65 = 119,789,031.90 : x
  2. Step 2: Convert to fraction form
    125,741,171.10/188,611,756.65 = 119,789,031.90/x
  3. Step 3: Cross multiply
    125,741,171.10x = 188,611,756.65 × 119,789,031.90
  4. Step 4: Simplify right side
    125,741,171.10x = 22,593,619,734,061,888
  5. Step 5: Solve for x
    x = 22,593,619,734,061,888/125,741,171.10
  6. Step 6: Final answer
    x = 179,683,547.85

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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.