Home / 145,382,334.54-218,075,401.32-48,338,042.16

Finding the Fourth Proportional to 145,382,334.54, 218,075,401.32 and 48,338,042.16

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Solution

The fourth proportional to 145,382,334.54, 218,075,401.32 and 48,338,042.16 is: 72,507,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,382,334.54 : 218,075,401.32 = 48,338,042.16 : x
  2. Step 2: Convert to fraction form
    145,382,334.54/218,075,401.32 = 48,338,042.16/x
  3. Step 3: Cross multiply
    145,382,334.54x = 218,075,401.32 × 48,338,042.16
  4. Step 4: Simplify right side
    145,382,334.54x = 10,541,337,943,065,078
  5. Step 5: Solve for x
    x = 10,541,337,943,065,078/145,382,334.54
  6. Step 6: Final answer
    x = 72,507,694.81

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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.