Home / 107,311,108.40-160,966,662.60-39,131,140.40

Finding the Fourth Proportional to 107,311,108.40, 160,966,662.60 and 39,131,140.40

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Solution

The fourth proportional to 107,311,108.40, 160,966,662.60 and 39,131,140.40 is: 58,696,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,311,108.40 : 160,966,662.60 = 39,131,140.40 : x
  2. Step 2: Convert to fraction form
    107,311,108.40/160,966,662.60 = 39,131,140.40/x
  3. Step 3: Cross multiply
    107,311,108.40x = 160,966,662.60 × 39,131,140.40
  4. Step 4: Simplify right side
    107,311,108.40x = 6,298,809,073,920,029
  5. Step 5: Solve for x
    x = 6,298,809,073,920,029/107,311,108.40
  6. Step 6: Final answer
    x = 58,696,710.60

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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.