Home / 193,532,645.20-290,298,967.80-178,752,024.40

Finding the Fourth Proportional to 193,532,645.20, 290,298,967.80 and 178,752,024.40

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Solution

The fourth proportional to 193,532,645.20, 290,298,967.80 and 178,752,024.40 is: 268,128,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,532,645.20 : 290,298,967.80 = 178,752,024.40 : x
  2. Step 2: Convert to fraction form
    193,532,645.20/290,298,967.80 = 178,752,024.40/x
  3. Step 3: Cross multiply
    193,532,645.20x = 290,298,967.80 × 178,752,024.40
  4. Step 4: Simplify right side
    193,532,645.20x = 51,891,528,175,480,416
  5. Step 5: Solve for x
    x = 51,891,528,175,480,416/193,532,645.20
  6. Step 6: Final answer
    x = 268,128,036.60

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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.