Home / 53,815,571.10-74,267,902.80-30,302,193.69

Finding the Fourth Proportional to 53,815,571.10, 74,267,902.80 and 30,302,193.69

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Solution

The fourth proportional to 53,815,571.10, 74,267,902.80 and 30,302,193.69 is: 41,818,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,815,571.10 : 74,267,902.80 = 30,302,193.69 : x
  2. Step 2: Convert to fraction form
    53,815,571.10/74,267,902.80 = 30,302,193.69/x
  3. Step 3: Cross multiply
    53,815,571.10x = 74,267,902.80 × 30,302,193.69
  4. Step 4: Simplify right side
    53,815,571.10x = 2,250,480,375,595,693.25
  5. Step 5: Solve for x
    x = 2,250,480,375,595,693.25/53,815,571.10
  6. Step 6: Final answer
    x = 41,818,386.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.