Home / 106,509,793.20-159,764,689.80-87,362,170.80

Finding the Fourth Proportional to 106,509,793.20, 159,764,689.80 and 87,362,170.80

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Solution

The fourth proportional to 106,509,793.20, 159,764,689.80 and 87,362,170.80 is: 131,043,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,509,793.20 : 159,764,689.80 = 87,362,170.80 : x
  2. Step 2: Convert to fraction form
    106,509,793.20/159,764,689.80 = 87,362,170.80/x
  3. Step 3: Cross multiply
    106,509,793.20x = 159,764,689.80 × 87,362,170.80
  4. Step 4: Simplify right side
    106,509,793.20x = 13,957,390,118,116,618
  5. Step 5: Solve for x
    x = 13,957,390,118,116,618/106,509,793.20
  6. Step 6: Final answer
    x = 131,043,256.20

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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.