Home / 65,689,715.34-98,540,458.13-19,002,467.67

Finding the Fourth Proportional to 65,689,715.34, 98,540,458.13 and 19,002,467.67

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Solution

The fourth proportional to 65,689,715.34, 98,540,458.13 and 19,002,467.67 is: 28,505,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,689,715.34 : 98,540,458.13 = 19,002,467.67 : x
  2. Step 2: Convert to fraction form
    65,689,715.34/98,540,458.13 = 19,002,467.67/x
  3. Step 3: Cross multiply
    65,689,715.34x = 98,540,458.13 × 19,002,467.67
  4. Step 4: Simplify right side
    65,689,715.34x = 1,872,511,869,480,293.25
  5. Step 5: Solve for x
    x = 1,872,511,869,480,293.25/65,689,715.34
  6. Step 6: Final answer
    x = 28,505,403.92

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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.