Home / 131,112,072.90-196,668,109.35-70,645,896.90

Finding the Fourth Proportional to 131,112,072.90, 196,668,109.35 and 70,645,896.90

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Solution

The fourth proportional to 131,112,072.90, 196,668,109.35 and 70,645,896.90 is: 105,968,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112,072.90 : 196,668,109.35 = 70,645,896.90 : x
  2. Step 2: Convert to fraction form
    131,112,072.90/196,668,109.35 = 70,645,896.90/x
  3. Step 3: Cross multiply
    131,112,072.90x = 196,668,109.35 × 70,645,896.90
  4. Step 4: Simplify right side
    131,112,072.90x = 13,893,794,976,658,026
  5. Step 5: Solve for x
    x = 13,893,794,976,658,026/131,112,072.90
  6. Step 6: Final answer
    x = 105,968,845.35

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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.