Home / 142,192,300.50-196,169,820.03-82,643,702.22

Finding the Fourth Proportional to 142,192,300.50, 196,169,820.03 and 82,643,702.22

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Solution

The fourth proportional to 142,192,300.50, 196,169,820.03 and 82,643,702.22 is: 114,016,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,192,300.50 : 196,169,820.03 = 82,643,702.22 : x
  2. Step 2: Convert to fraction form
    142,192,300.50/196,169,820.03 = 82,643,702.22/x
  3. Step 3: Cross multiply
    142,192,300.50x = 196,169,820.03 × 82,643,702.22
  4. Step 4: Simplify right side
    142,192,300.50x = 16,212,200,191,110,312
  5. Step 5: Solve for x
    x = 16,212,200,191,110,312/142,192,300.50
  6. Step 6: Final answer
    x = 114,016,020.09

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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.