Home / 117,406,251.54-162,015,182.37-65,198,615.22

Finding the Fourth Proportional to 117,406,251.54, 162,015,182.37 and 65,198,615.22

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Solution

The fourth proportional to 117,406,251.54, 162,015,182.37 and 65,198,615.22 is: 89,971,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,406,251.54 : 162,015,182.37 = 65,198,615.22 : x
  2. Step 2: Convert to fraction form
    117,406,251.54/162,015,182.37 = 65,198,615.22/x
  3. Step 3: Cross multiply
    117,406,251.54x = 162,015,182.37 × 65,198,615.22
  4. Step 4: Simplify right side
    117,406,251.54x = 10,563,165,535,139,758
  5. Step 5: Solve for x
    x = 10,563,165,535,139,758/117,406,251.54
  6. Step 6: Final answer
    x = 89,971,065.40

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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.