Home / 108,465,433.94-149,645,881.41-61,416,078.50

Finding the Fourth Proportional to 108,465,433.94, 149,645,881.41 and 61,416,078.50

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Solution

The fourth proportional to 108,465,433.94, 149,645,881.41 and 61,416,078.50 is: 84,733,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465,433.94 : 149,645,881.41 = 61,416,078.50 : x
  2. Step 2: Convert to fraction form
    108,465,433.94/149,645,881.41 = 61,416,078.50/x
  3. Step 3: Cross multiply
    108,465,433.94x = 149,645,881.41 × 61,416,078.50
  4. Step 4: Simplify right side
    108,465,433.94x = 9,190,663,199,878,250
  5. Step 5: Solve for x
    x = 9,190,663,199,878,250/108,465,433.94
  6. Step 6: Final answer
    x = 84,733,567.79

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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.