Home / 21,382,762,100.68-32,075,368,868.85-5,661,178,205.64

Finding the Fourth Proportional to 21,382,762,100.68, 32,075,368,868.85 and 5,661,178,205.64

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Solution

The fourth proportional to 21,382,762,100.68, 32,075,368,868.85 and 5,661,178,205.64 is: 8,492,091,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382,762,100.68 : 32,075,368,868.85 = 5,661,178,205.64 : x
  2. Step 2: Convert to fraction form
    21,382,762,100.68/32,075,368,868.85 = 5,661,178,205.64/x
  3. Step 3: Cross multiply
    21,382,762,100.68x = 32,075,368,868.85 × 5,661,178,205.64
  4. Step 4: Simplify right side
    21,382,762,100.68x = 181,584,379,178,325,639,168
  5. Step 5: Solve for x
    x = 181,584,379,178,325,639,168/21,382,762,100.68
  6. Step 6: Final answer
    x = 8,492,091,822.53

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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.