Home / 108,323,154.62-149,485,953.39-61,914,405.01

Finding the Fourth Proportional to 108,323,154.62, 149,485,953.39 and 61,914,405.01

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Solution

The fourth proportional to 108,323,154.62, 149,485,953.39 and 61,914,405.01 is: 85,441,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,154.62 : 149,485,953.39 = 61,914,405.01 : x
  2. Step 2: Convert to fraction form
    108,323,154.62/149,485,953.39 = 61,914,405.01/x
  3. Step 3: Cross multiply
    108,323,154.62x = 149,485,953.39 × 61,914,405.01
  4. Step 4: Simplify right side
    108,323,154.62x = 9,255,333,861,494,442
  5. Step 5: Solve for x
    x = 9,255,333,861,494,442/108,323,154.62
  6. Step 6: Final answer
    x = 85,441,878.92

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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.