Home / 214,023,783.40-321,035,675.10-52,465,719.40

Finding the Fourth Proportional to 214,023,783.40, 321,035,675.10 and 52,465,719.40

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Solution

The fourth proportional to 214,023,783.40, 321,035,675.10 and 52,465,719.40 is: 78,698,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,023,783.40 : 321,035,675.10 = 52,465,719.40 : x
  2. Step 2: Convert to fraction form
    214,023,783.40/321,035,675.10 = 52,465,719.40/x
  3. Step 3: Cross multiply
    214,023,783.40x = 321,035,675.10 × 52,465,719.40
  4. Step 4: Simplify right side
    214,023,783.40x = 16,843,367,647,186,168
  5. Step 5: Solve for x
    x = 16,843,367,647,186,168/214,023,783.40
  6. Step 6: Final answer
    x = 78,698,579.10

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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.