Home / 103,800,975-155,701,614-42,390,134.46

Finding the Fourth Proportional to 103,800,975, 155,701,614 and 42,390,134.46

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Solution

The fourth proportional to 103,800,975, 155,701,614 and 42,390,134.46 is: 63,585,263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,800,975 : 155,701,614 = 42,390,134.46 : x
  2. Step 2: Convert to fraction form
    103,800,975/155,701,614 = 42,390,134.46/x
  3. Step 3: Cross multiply
    103,800,975x = 155,701,614 × 42,390,134.46
  4. Step 4: Simplify right side
    103,800,975x = 6,600,212,353,099,019
  5. Step 5: Solve for x
    x = 6,600,212,353,099,019/103,800,975
  6. Step 6: Final answer
    x = 63,585,263.56

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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.