Home / 71,966,041.20-107,949,061.80-41,355,039.60

Finding the Fourth Proportional to 71,966,041.20, 107,949,061.80 and 41,355,039.60

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Solution

The fourth proportional to 71,966,041.20, 107,949,061.80 and 41,355,039.60 is: 62,032,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966,041.20 : 107,949,061.80 = 41,355,039.60 : x
  2. Step 2: Convert to fraction form
    71,966,041.20/107,949,061.80 = 41,355,039.60/x
  3. Step 3: Cross multiply
    71,966,041.20x = 107,949,061.80 × 41,355,039.60
  4. Step 4: Simplify right side
    71,966,041.20x = 4,464,237,725,521,847.50
  5. Step 5: Solve for x
    x = 4,464,237,725,521,847.50/71,966,041.20
  6. Step 6: Final answer
    x = 62,032,559.40

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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.