Home / 69,990,582.40-104,985,873.60-39,757,494.40

Finding the Fourth Proportional to 69,990,582.40, 104,985,873.60 and 39,757,494.40

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Solution

The fourth proportional to 69,990,582.40, 104,985,873.60 and 39,757,494.40 is: 59,636,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990,582.40 : 104,985,873.60 = 39,757,494.40 : x
  2. Step 2: Convert to fraction form
    69,990,582.40/104,985,873.60 = 39,757,494.40/x
  3. Step 3: Cross multiply
    69,990,582.40x = 104,985,873.60 × 39,757,494.40
  4. Step 4: Simplify right side
    69,990,582.40x = 4,173,975,281,731,107.50
  5. Step 5: Solve for x
    x = 4,173,975,281,731,107.50/69,990,582.40
  6. Step 6: Final answer
    x = 59,636,241.60

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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.