Home / 85,819,266.47-118,429,755.14-46,661,042.86

Finding the Fourth Proportional to 85,819,266.47, 118,429,755.14 and 46,661,042.86

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Solution

The fourth proportional to 85,819,266.47, 118,429,755.14 and 46,661,042.86 is: 64,391,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,819,266.47 : 118,429,755.14 = 46,661,042.86 : x
  2. Step 2: Convert to fraction form
    85,819,266.47/118,429,755.14 = 46,661,042.86/x
  3. Step 3: Cross multiply
    85,819,266.47x = 118,429,755.14 × 46,661,042.86
  4. Step 4: Simplify right side
    85,819,266.47x = 5,526,055,880,307,424
  5. Step 5: Solve for x
    x = 5,526,055,880,307,424/85,819,266.47
  6. Step 6: Final answer
    x = 64,391,786.46

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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.