Home / 154,401,668.83-213,076,750.53-83,837,239.03

Finding the Fourth Proportional to 154,401,668.83, 213,076,750.53 and 83,837,239.03

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Solution

The fourth proportional to 154,401,668.83, 213,076,750.53 and 83,837,239.03 is: 115,696,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,401,668.83 : 213,076,750.53 = 83,837,239.03 : x
  2. Step 2: Convert to fraction form
    154,401,668.83/213,076,750.53 = 83,837,239.03/x
  3. Step 3: Cross multiply
    154,401,668.83x = 213,076,750.53 × 83,837,239.03
  4. Step 4: Simplify right side
    154,401,668.83x = 17,863,766,465,919,290
  5. Step 5: Solve for x
    x = 17,863,766,465,919,290/154,401,668.83
  6. Step 6: Final answer
    x = 115,696,718.83

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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.