Home / 125,341,790.94-187,572,826.03-100,689,140.53

Finding the Fourth Proportional to 125,341,790.94, 187,572,826.03 and 100,689,140.53

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Solution

The fourth proportional to 125,341,790.94, 187,572,826.03 and 100,689,140.53 is: 150,680,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341,790.94 : 187,572,826.03 = 100,689,140.53 : x
  2. Step 2: Convert to fraction form
    125,341,790.94/187,572,826.03 = 100,689,140.53/x
  3. Step 3: Cross multiply
    125,341,790.94x = 187,572,826.03 × 100,689,140.53
  4. Step 4: Simplify right side
    125,341,790.94x = 18,886,546,639,743,912
  5. Step 5: Solve for x
    x = 18,886,546,639,743,912/125,341,790.94
  6. Step 6: Final answer
    x = 150,680,363.65

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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.