Home / 66,585,816-99,878,724.24-18,716,760

Finding the Fourth Proportional to 66,585,816, 99,878,724.24 and 18,716,760

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Solution

The fourth proportional to 66,585,816, 99,878,724.24 and 18,716,760 is: 28,075,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,585,816 : 99,878,724.24 = 18,716,760 : x
  2. Step 2: Convert to fraction form
    66,585,816/99,878,724.24 = 18,716,760/x
  3. Step 3: Cross multiply
    66,585,816x = 99,878,724.24 × 18,716,760
  4. Step 4: Simplify right side
    66,585,816x = 1,869,406,110,706,262.25
  5. Step 5: Solve for x
    x = 1,869,406,110,706,262.25/66,585,816
  6. Step 6: Final answer
    x = 28,075,140.07

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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.