Home / 213,782,569.60-320,673,854.40-106,287,145.60

Finding the Fourth Proportional to 213,782,569.60, 320,673,854.40 and 106,287,145.60

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Solution

The fourth proportional to 213,782,569.60, 320,673,854.40 and 106,287,145.60 is: 159,430,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,782,569.60 : 320,673,854.40 = 106,287,145.60 : x
  2. Step 2: Convert to fraction form
    213,782,569.60/320,673,854.40 = 106,287,145.60/x
  3. Step 3: Cross multiply
    213,782,569.60x = 320,673,854.40 × 106,287,145.60
  4. Step 4: Simplify right side
    213,782,569.60x = 34,083,508,652,725,996
  5. Step 5: Solve for x
    x = 34,083,508,652,725,996/213,782,569.60
  6. Step 6: Final answer
    x = 159,430,718.40

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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.