Home / 459,195,194.88-688,590,136.80-131,596,358.40

Finding the Fourth Proportional to 459,195,194.88, 688,590,136.80 and 131,596,358.40

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Solution

The fourth proportional to 459,195,194.88, 688,590,136.80 and 131,596,358.40 is: 197,336,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,195,194.88 : 688,590,136.80 = 131,596,358.40 : x
  2. Step 2: Convert to fraction form
    459,195,194.88/688,590,136.80 = 131,596,358.40/x
  3. Step 3: Cross multiply
    459,195,194.88x = 688,590,136.80 × 131,596,358.40
  4. Step 4: Simplify right side
    459,195,194.88x = 90,615,954,433,037,824
  5. Step 5: Solve for x
    x = 90,615,954,433,037,824/459,195,194.88
  6. Step 6: Final answer
    x = 197,336,460.49

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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.