Home / 140,448,657.70-210,620,729.40-48,306,532.60

Finding the Fourth Proportional to 140,448,657.70, 210,620,729.40 and 48,306,532.60

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Solution

The fourth proportional to 140,448,657.70, 210,620,729.40 and 48,306,532.60 is: 72,441,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448,657.70 : 210,620,729.40 = 48,306,532.60 : x
  2. Step 2: Convert to fraction form
    140,448,657.70/210,620,729.40 = 48,306,532.60/x
  3. Step 3: Cross multiply
    140,448,657.70x = 210,620,729.40 × 48,306,532.60
  4. Step 4: Simplify right side
    140,448,657.70x = 10,174,357,130,996,880
  5. Step 5: Solve for x
    x = 10,174,357,130,996,880/140,448,657.70
  6. Step 6: Final answer
    x = 72,441,825.34

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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.