Home / 164,043,539.82-226,273,417.47-105,213,021.12

Finding the Fourth Proportional to 164,043,539.82, 226,273,417.47 and 105,213,021.12

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Solution

The fourth proportional to 164,043,539.82, 226,273,417.47 and 105,213,021.12 is: 145,125,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,043,539.82 : 226,273,417.47 = 105,213,021.12 : x
  2. Step 2: Convert to fraction form
    164,043,539.82/226,273,417.47 = 105,213,021.12/x
  3. Step 3: Cross multiply
    164,043,539.82x = 226,273,417.47 × 105,213,021.12
  4. Step 4: Simplify right side
    164,043,539.82x = 23,806,909,851,165,688
  5. Step 5: Solve for x
    x = 23,806,909,851,165,688/164,043,539.82
  6. Step 6: Final answer
    x = 145,125,555.55

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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.