Home / 164,004,138.60-245,722,772.70-77,556,402.60

Finding the Fourth Proportional to 164,004,138.60, 245,722,772.70 and 77,556,402.60

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Solution

The fourth proportional to 164,004,138.60, 245,722,772.70 and 77,556,402.60 is: 116,200,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,004,138.60 : 245,722,772.70 = 77,556,402.60 : x
  2. Step 2: Convert to fraction form
    164,004,138.60/245,722,772.70 = 77,556,402.60/x
  3. Step 3: Cross multiply
    164,004,138.60x = 245,722,772.70 × 77,556,402.60
  4. Step 4: Simplify right side
    164,004,138.60x = 19,057,374,287,509,488
  5. Step 5: Solve for x
    x = 19,057,374,287,509,488/164,004,138.60
  6. Step 6: Final answer
    x = 116,200,569.39

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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.