Home / 57,435,990-86,154,735.12-19,097,503.32

Finding the Fourth Proportional to 57,435,990, 86,154,735.12 and 19,097,503.32

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Solution

The fourth proportional to 57,435,990, 86,154,735.12 and 19,097,503.32 is: 28,646,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435,990 : 86,154,735.12 = 19,097,503.32 : x
  2. Step 2: Convert to fraction form
    57,435,990/86,154,735.12 = 19,097,503.32/x
  3. Step 3: Cross multiply
    57,435,990x = 86,154,735.12 × 19,097,503.32
  4. Step 4: Simplify right side
    57,435,990x = 1,645,340,339,987,920.75
  5. Step 5: Solve for x
    x = 1,645,340,339,987,920.75/57,435,990
  6. Step 6: Final answer
    x = 28,646,504.40

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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.