Home / 53,273,054.70-79,909,582.05-19,195,512.30

Finding the Fourth Proportional to 53,273,054.70, 79,909,582.05 and 19,195,512.30

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Solution

The fourth proportional to 53,273,054.70, 79,909,582.05 and 19,195,512.30 is: 28,793,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273,054.70 : 79,909,582.05 = 19,195,512.30 : x
  2. Step 2: Convert to fraction form
    53,273,054.70/79,909,582.05 = 19,195,512.30/x
  3. Step 3: Cross multiply
    53,273,054.70x = 79,909,582.05 × 19,195,512.30
  4. Step 4: Simplify right side
    53,273,054.70x = 1,533,905,365,128,634.25
  5. Step 5: Solve for x
    x = 1,533,905,365,128,634.25/53,273,054.70
  6. Step 6: Final answer
    x = 28,793,268.45

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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.