Home / 69,888,075.20-104,832,112.80-49,480,740.80

Finding the Fourth Proportional to 69,888,075.20, 104,832,112.80 and 49,480,740.80

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Solution

The fourth proportional to 69,888,075.20, 104,832,112.80 and 49,480,740.80 is: 74,221,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,888,075.20 : 104,832,112.80 = 49,480,740.80 : x
  2. Step 2: Convert to fraction form
    69,888,075.20/104,832,112.80 = 49,480,740.80/x
  3. Step 3: Cross multiply
    69,888,075.20x = 104,832,112.80 × 49,480,740.80
  4. Step 4: Simplify right side
    69,888,075.20x = 5,187,170,600,973,162
  5. Step 5: Solve for x
    x = 5,187,170,600,973,162/69,888,075.20
  6. Step 6: Final answer
    x = 74,221,111.20

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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.