Home / 108,725,916.80-150,043,571.09-59,168,379.25

Finding the Fourth Proportional to 108,725,916.80, 150,043,571.09 and 59,168,379.25

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Solution

The fourth proportional to 108,725,916.80, 150,043,571.09 and 59,168,379.25 is: 81,653,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,725,916.80 : 150,043,571.09 = 59,168,379.25 : x
  2. Step 2: Convert to fraction form
    108,725,916.80/150,043,571.09 = 59,168,379.25/x
  3. Step 3: Cross multiply
    108,725,916.80x = 150,043,571.09 × 59,168,379.25
  4. Step 4: Simplify right side
    108,725,916.80x = 8,877,834,918,556,721
  5. Step 5: Solve for x
    x = 8,877,834,918,556,721/108,725,916.80
  6. Step 6: Final answer
    x = 81,653,346.14

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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.