Home / 190,532,280.04-285,533,647.26-99,474,231.40

Finding the Fourth Proportional to 190,532,280.04, 285,533,647.26 and 99,474,231.40

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Solution

The fourth proportional to 190,532,280.04, 285,533,647.26 and 99,474,231.40 is: 149,073,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,532,280.04 : 285,533,647.26 = 99,474,231.40 : x
  2. Step 2: Convert to fraction form
    190,532,280.04/285,533,647.26 = 99,474,231.40/x
  3. Step 3: Cross multiply
    190,532,280.04x = 285,533,647.26 × 99,474,231.40
  4. Step 4: Simplify right side
    190,532,280.04x = 28,403,240,100,027,216
  5. Step 5: Solve for x
    x = 28,403,240,100,027,216/190,532,280.04
  6. Step 6: Final answer
    x = 149,073,112.93

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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.