Home / 190,848,002.70-286,272,004.05-47,240,834.70

Finding the Fourth Proportional to 190,848,002.70, 286,272,004.05 and 47,240,834.70

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Solution

The fourth proportional to 190,848,002.70, 286,272,004.05 and 47,240,834.70 is: 70,861,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848,002.70 : 286,272,004.05 = 47,240,834.70 : x
  2. Step 2: Convert to fraction form
    190,848,002.70/286,272,004.05 = 47,240,834.70/x
  3. Step 3: Cross multiply
    190,848,002.70x = 286,272,004.05 × 47,240,834.70
  4. Step 4: Simplify right side
    190,848,002.70x = 13,523,728,422,563,782
  5. Step 5: Solve for x
    x = 13,523,728,422,563,782/190,848,002.70
  6. Step 6: Final answer
    x = 70,861,252.05

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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.