Home / 289,165,055.60-434,083,506.60-174,279,321.20

Finding the Fourth Proportional to 289,165,055.60, 434,083,506.60 and 174,279,321.20

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Solution

The fourth proportional to 289,165,055.60, 434,083,506.60 and 174,279,321.20 is: 261,621,442.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,165,055.60 : 434,083,506.60 = 174,279,321.20 : x
  2. Step 2: Convert to fraction form
    289,165,055.60/434,083,506.60 = 174,279,321.20/x
  3. Step 3: Cross multiply
    289,165,055.60x = 434,083,506.60 × 174,279,321.20
  4. Step 4: Simplify right side
    289,165,055.60x = 75,651,778,874,363,712
  5. Step 5: Solve for x
    x = 75,651,778,874,363,712/289,165,055.60
  6. Step 6: Final answer
    x = 261,621,442.18

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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.