Home / 107,314,121.70-160,971,182.55-100,139,668.20

Finding the Fourth Proportional to 107,314,121.70, 160,971,182.55 and 100,139,668.20

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Solution

The fourth proportional to 107,314,121.70, 160,971,182.55 and 100,139,668.20 is: 150,209,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,314,121.70 : 160,971,182.55 = 100,139,668.20 : x
  2. Step 2: Convert to fraction form
    107,314,121.70/160,971,182.55 = 100,139,668.20/x
  3. Step 3: Cross multiply
    107,314,121.70x = 160,971,182.55 × 100,139,668.20
  4. Step 4: Simplify right side
    107,314,121.70x = 16,119,600,810,318,632
  5. Step 5: Solve for x
    x = 16,119,600,810,318,632/107,314,121.70
  6. Step 6: Final answer
    x = 150,209,502.30

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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.