Home / 152,245,765.44-210,099,353.04-82,631,138.40

Finding the Fourth Proportional to 152,245,765.44, 210,099,353.04 and 82,631,138.40

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Solution

The fourth proportional to 152,245,765.44, 210,099,353.04 and 82,631,138.40 is: 114,031,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,245,765.44 : 210,099,353.04 = 82,631,138.40 : x
  2. Step 2: Convert to fraction form
    152,245,765.44/210,099,353.04 = 82,631,138.40/x
  3. Step 3: Cross multiply
    152,245,765.44x = 210,099,353.04 × 82,631,138.40
  4. Step 4: Simplify right side
    152,245,765.44x = 17,360,748,718,798,702
  5. Step 5: Solve for x
    x = 17,360,748,718,798,702/152,245,765.44
  6. Step 6: Final answer
    x = 114,031,077.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.