Home / 72,593,130.20-108,763,724.10-47,020,976.60

Finding the Fourth Proportional to 72,593,130.20, 108,763,724.10 and 47,020,976.60

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Solution

The fourth proportional to 72,593,130.20, 108,763,724.10 and 47,020,976.60 is: 70,449,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,593,130.20 : 108,763,724.10 = 47,020,976.60 : x
  2. Step 2: Convert to fraction form
    72,593,130.20/108,763,724.10 = 47,020,976.60/x
  3. Step 3: Cross multiply
    72,593,130.20x = 108,763,724.10 × 47,020,976.60
  4. Step 4: Simplify right side
    72,593,130.20x = 5,114,176,525,834,956
  5. Step 5: Solve for x
    x = 5,114,176,525,834,956/72,593,130.20
  6. Step 6: Final answer
    x = 70,449,869.18

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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.