Home / 51,585,220.80-77,265,856.80-42,627,268.80

Finding the Fourth Proportional to 51,585,220.80, 77,265,856.80 and 42,627,268.80

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Solution

The fourth proportional to 51,585,220.80, 77,265,856.80 and 42,627,268.80 is: 63,848,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,220.80 : 77,265,856.80 = 42,627,268.80 : x
  2. Step 2: Convert to fraction form
    51,585,220.80/77,265,856.80 = 42,627,268.80/x
  3. Step 3: Cross multiply
    51,585,220.80x = 77,265,856.80 × 42,627,268.80
  4. Step 4: Simplify right side
    51,585,220.80x = 3,293,632,446,875,907.50
  5. Step 5: Solve for x
    x = 3,293,632,446,875,907.50/51,585,220.80
  6. Step 6: Final answer
    x = 63,848,373.54

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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.