Home / 43,453,957.60-65,180,936.40-19,566,085.60

Finding the Fourth Proportional to 43,453,957.60, 65,180,936.40 and 19,566,085.60

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Solution

The fourth proportional to 43,453,957.60, 65,180,936.40 and 19,566,085.60 is: 29,349,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,957.60 : 65,180,936.40 = 19,566,085.60 : x
  2. Step 2: Convert to fraction form
    43,453,957.60/65,180,936.40 = 19,566,085.60/x
  3. Step 3: Cross multiply
    43,453,957.60x = 65,180,936.40 × 19,566,085.60
  4. Step 4: Simplify right side
    43,453,957.60x = 1,275,335,781,090,556
  5. Step 5: Solve for x
    x = 1,275,335,781,090,556/43,453,957.60
  6. Step 6: Final answer
    x = 29,349,128.40

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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.