Home / 108,515,265.76-149,714,030.28-67,247,100.64

Finding the Fourth Proportional to 108,515,265.76, 149,714,030.28 and 67,247,100.64

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Solution

The fourth proportional to 108,515,265.76, 149,714,030.28 and 67,247,100.64 is: 92,778,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,515,265.76 : 149,714,030.28 = 67,247,100.64 : x
  2. Step 2: Convert to fraction form
    108,515,265.76/149,714,030.28 = 67,247,100.64/x
  3. Step 3: Cross multiply
    108,515,265.76x = 149,714,030.28 × 67,247,100.64
  4. Step 4: Simplify right side
    108,515,265.76x = 10,067,834,461,459,168
  5. Step 5: Solve for x
    x = 10,067,834,461,459,168/108,515,265.76
  6. Step 6: Final answer
    x = 92,778,047.32

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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.