Home / 107,314,137.20-160,971,205.80-100,139,683.70

Finding the Fourth Proportional to 107,314,137.20, 160,971,205.80 and 100,139,683.70

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Solution

The fourth proportional to 107,314,137.20, 160,971,205.80 and 100,139,683.70 is: 150,209,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,314,137.20 : 160,971,205.80 = 100,139,683.70 : x
  2. Step 2: Convert to fraction form
    107,314,137.20/160,971,205.80 = 100,139,683.70/x
  3. Step 3: Cross multiply
    107,314,137.20x = 160,971,205.80 × 100,139,683.70
  4. Step 4: Simplify right side
    107,314,137.20x = 16,119,605,633,619,608
  5. Step 5: Solve for x
    x = 16,119,605,633,619,608/107,314,137.20
  6. Step 6: Final answer
    x = 150,209,525.55

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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.