Home / 108,468,724.90-149,696,072.03-61,434,165.44

Finding the Fourth Proportional to 108,468,724.90, 149,696,072.03 and 61,434,165.44

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Solution

The fourth proportional to 108,468,724.90, 149,696,072.03 and 61,434,165.44 is: 84,784,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,468,724.90 : 149,696,072.03 = 61,434,165.44 : x
  2. Step 2: Convert to fraction form
    108,468,724.90/149,696,072.03 = 61,434,165.44/x
  3. Step 3: Cross multiply
    108,468,724.90x = 149,696,072.03 × 61,434,165.44
  4. Step 4: Simplify right side
    108,468,724.90x = 9,196,453,254,322,332
  5. Step 5: Solve for x
    x = 9,196,453,254,322,332/108,468,724.90
  6. Step 6: Final answer
    x = 84,784,376.91

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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.