Home / 144,523,969.52-216,751,243.26-66,726,125.22

Finding the Fourth Proportional to 144,523,969.52, 216,751,243.26 and 66,726,125.22

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Solution

The fourth proportional to 144,523,969.52, 216,751,243.26 and 66,726,125.22 is: 100,073,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,523,969.52 : 216,751,243.26 = 66,726,125.22 : x
  2. Step 2: Convert to fraction form
    144,523,969.52/216,751,243.26 = 66,726,125.22/x
  3. Step 3: Cross multiply
    144,523,969.52x = 216,751,243.26 × 66,726,125.22
  4. Step 4: Simplify right side
    144,523,969.52x = 14,462,970,599,357,440
  5. Step 5: Solve for x
    x = 14,462,970,599,357,440/144,523,969.52
  6. Step 6: Final answer
    x = 100,073,161.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.