Home / 130,927,791.24-196,169,445.75-79,003,292.94

Finding the Fourth Proportional to 130,927,791.24, 196,169,445.75 and 79,003,292.94

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Solution

The fourth proportional to 130,927,791.24, 196,169,445.75 and 79,003,292.94 is: 118,370,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927,791.24 : 196,169,445.75 = 79,003,292.94 : x
  2. Step 2: Convert to fraction form
    130,927,791.24/196,169,445.75 = 79,003,292.94/x
  3. Step 3: Cross multiply
    130,927,791.24x = 196,169,445.75 × 79,003,292.94
  4. Step 4: Simplify right side
    130,927,791.24x = 15,498,032,188,464,688
  5. Step 5: Solve for x
    x = 15,498,032,188,464,688/130,927,791.24
  6. Step 6: Final answer
    x = 118,370,836.64

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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.