Home / 144,370,813.80-216,556,220.70-71,598,826.20

Finding the Fourth Proportional to 144,370,813.80, 216,556,220.70 and 71,598,826.20

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Solution

The fourth proportional to 144,370,813.80, 216,556,220.70 and 71,598,826.20 is: 107,398,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,370,813.80 : 216,556,220.70 = 71,598,826.20 : x
  2. Step 2: Convert to fraction form
    144,370,813.80/216,556,220.70 = 71,598,826.20/x
  3. Step 3: Cross multiply
    144,370,813.80x = 216,556,220.70 × 71,598,826.20
  4. Step 4: Simplify right side
    144,370,813.80x = 15,505,171,208,428,142
  5. Step 5: Solve for x
    x = 15,505,171,208,428,142/144,370,813.80
  6. Step 6: Final answer
    x = 107,398,239.30

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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.