Home / 291,442,023.60-436,883,099.40-168,494,132.40

Finding the Fourth Proportional to 291,442,023.60, 436,883,099.40 and 168,494,132.40

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Solution

The fourth proportional to 291,442,023.60, 436,883,099.40 and 168,494,132.40 is: 252,579,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,442,023.60 : 436,883,099.40 = 168,494,132.40 : x
  2. Step 2: Convert to fraction form
    291,442,023.60/436,883,099.40 = 168,494,132.40/x
  3. Step 3: Cross multiply
    291,442,023.60x = 436,883,099.40 × 168,494,132.40
  4. Step 4: Simplify right side
    291,442,023.60x = 73,612,238,793,625,952
  5. Step 5: Solve for x
    x = 73,612,238,793,625,952/291,442,023.60
  6. Step 6: Final answer
    x = 252,579,356.55

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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.