Home / 115,069,304.34-158,800,467.33-66,176,771.22

Finding the Fourth Proportional to 115,069,304.34, 158,800,467.33 and 66,176,771.22

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Solution

The fourth proportional to 115,069,304.34, 158,800,467.33 and 66,176,771.22 is: 91,326,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,069,304.34 : 158,800,467.33 = 66,176,771.22 : x
  2. Step 2: Convert to fraction form
    115,069,304.34/158,800,467.33 = 66,176,771.22/x
  3. Step 3: Cross multiply
    115,069,304.34x = 158,800,467.33 × 66,176,771.22
  4. Step 4: Simplify right side
    115,069,304.34x = 10,508,902,196,126,494
  5. Step 5: Solve for x
    x = 10,508,902,196,126,494/115,069,304.34
  6. Step 6: Final answer
    x = 91,326,720.50

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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.