Home / 165,573,911.40-248,397,219.90-48,980,139.72

Finding the Fourth Proportional to 165,573,911.40, 248,397,219.90 and 48,980,139.72

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Solution

The fourth proportional to 165,573,911.40, 248,397,219.90 and 48,980,139.72 is: 73,480,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573,911.40 : 248,397,219.90 = 48,980,139.72 : x
  2. Step 2: Convert to fraction form
    165,573,911.40/248,397,219.90 = 48,980,139.72/x
  3. Step 3: Cross multiply
    165,573,911.40x = 248,397,219.90 × 48,980,139.72
  4. Step 4: Simplify right side
    165,573,911.40x = 12,166,530,536,761,564
  5. Step 5: Solve for x
    x = 12,166,530,536,761,564/165,573,911.40
  6. Step 6: Final answer
    x = 73,480,963.48

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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.