Home / 98,699,307-135,961,673.58-83,967,791.64

Finding the Fourth Proportional to 98,699,307, 135,961,673.58 and 83,967,791.64

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Solution

The fourth proportional to 98,699,307, 135,961,673.58 and 83,967,791.64 is: 115,668,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,699,307 : 135,961,673.58 = 83,967,791.64 : x
  2. Step 2: Convert to fraction form
    98,699,307/135,961,673.58 = 83,967,791.64/x
  3. Step 3: Cross multiply
    98,699,307x = 135,961,673.58 × 83,967,791.64
  4. Step 4: Simplify right side
    98,699,307x = 11,416,401,478,191,134
  5. Step 5: Solve for x
    x = 11,416,401,478,191,134/98,699,307
  6. Step 6: Final answer
    x = 115,668,506.96

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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.