Home / 199,397,136.40-299,095,704.60-122,806,646.80

Finding the Fourth Proportional to 199,397,136.40, 299,095,704.60 and 122,806,646.80

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Solution

The fourth proportional to 199,397,136.40, 299,095,704.60 and 122,806,646.80 is: 184,209,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,397,136.40 : 299,095,704.60 = 122,806,646.80 : x
  2. Step 2: Convert to fraction form
    199,397,136.40/299,095,704.60 = 122,806,646.80/x
  3. Step 3: Cross multiply
    199,397,136.40x = 299,095,704.60 × 122,806,646.80
  4. Step 4: Simplify right side
    199,397,136.40x = 36,730,940,554,209,336
  5. Step 5: Solve for x
    x = 36,730,940,554,209,336/199,397,136.40
  6. Step 6: Final answer
    x = 184,209,970.20

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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.