Home / 290,697,443.60-435,648,034.20-236,949,731.60

Finding the Fourth Proportional to 290,697,443.60, 435,648,034.20 and 236,949,731.60

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Solution

The fourth proportional to 290,697,443.60, 435,648,034.20 and 236,949,731.60 is: 355,100,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,697,443.60 : 435,648,034.20 = 236,949,731.60 : x
  2. Step 2: Convert to fraction form
    290,697,443.60/435,648,034.20 = 236,949,731.60/x
  3. Step 3: Cross multiply
    290,697,443.60x = 435,648,034.20 × 236,949,731.60
  4. Step 4: Simplify right side
    290,697,443.60x = 103,226,684,775,757,616
  5. Step 5: Solve for x
    x = 103,226,684,775,757,616/290,697,443.60
  6. Step 6: Final answer
    x = 355,100,077.58

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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.