Home / 57,954,356.60-86,832,002.10-30,620,161.40

Finding the Fourth Proportional to 57,954,356.60, 86,832,002.10 and 30,620,161.40

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Solution

The fourth proportional to 57,954,356.60, 86,832,002.10 and 30,620,161.40 is: 45,877,653.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954,356.60 : 86,832,002.10 = 30,620,161.40 : x
  2. Step 2: Convert to fraction form
    57,954,356.60/86,832,002.10 = 30,620,161.40/x
  3. Step 3: Cross multiply
    57,954,356.60x = 86,832,002.10 × 30,620,161.40
  4. Step 4: Simplify right side
    57,954,356.60x = 2,658,809,918,987,138.50
  5. Step 5: Solve for x
    x = 2,658,809,918,987,138.50/57,954,356.60
  6. Step 6: Final answer
    x = 45,877,653.98

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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.