Home / 100,969,453.08-139,337,839.29-54,559,705.50

Finding the Fourth Proportional to 100,969,453.08, 139,337,839.29 and 54,559,705.50

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Solution

The fourth proportional to 100,969,453.08, 139,337,839.29 and 54,559,705.50 is: 75,292,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,969,453.08 : 139,337,839.29 = 54,559,705.50 : x
  2. Step 2: Convert to fraction form
    100,969,453.08/139,337,839.29 = 54,559,705.50/x
  3. Step 3: Cross multiply
    100,969,453.08x = 139,337,839.29 × 54,559,705.50
  4. Step 4: Simplify right side
    100,969,453.08x = 7,602,231,476,668,729
  5. Step 5: Solve for x
    x = 7,602,231,476,668,729/100,969,453.08
  6. Step 6: Final answer
    x = 75,292,390.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.