Home / 76,021,355.28-104,996,075.25-51,532,554

Finding the Fourth Proportional to 76,021,355.28, 104,996,075.25 and 51,532,554

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Solution

The fourth proportional to 76,021,355.28, 104,996,075.25 and 51,532,554 is: 71,173,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,355.28 : 104,996,075.25 = 51,532,554 : x
  2. Step 2: Convert to fraction form
    76,021,355.28/104,996,075.25 = 51,532,554/x
  3. Step 3: Cross multiply
    76,021,355.28x = 104,996,075.25 × 51,532,554
  4. Step 4: Simplify right side
    76,021,355.28x = 5,410,715,917,608,688
  5. Step 5: Solve for x
    x = 5,410,715,917,608,688/76,021,355.28
  6. Step 6: Final answer
    x = 71,173,631.38

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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.