Home / 21,531,762,631.20-32,297,643,946.80-21,048,033,223.20

Finding the Fourth Proportional to 21,531,762,631.20, 32,297,643,946.80 and 21,048,033,223.20

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Solution

The fourth proportional to 21,531,762,631.20, 32,297,643,946.80 and 21,048,033,223.20 is: 31,572,049,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531,762,631.20 : 32,297,643,946.80 = 21,048,033,223.20 : x
  2. Step 2: Convert to fraction form
    21,531,762,631.20/32,297,643,946.80 = 21,048,033,223.20/x
  3. Step 3: Cross multiply
    21,531,762,631.20x = 32,297,643,946.80 × 21,048,033,223.20
  4. Step 4: Simplify right side
    21,531,762,631.20x = 679,801,882,823,330,758,656
  5. Step 5: Solve for x
    x = 679,801,882,823,330,758,656/21,531,762,631.20
  6. Step 6: Final answer
    x = 31,572,049,834.80

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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.