Home / 144,686,759.68-199,618,346.40-89,662,539.52

Finding the Fourth Proportional to 144,686,759.68, 199,618,346.40 and 89,662,539.52

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Solution

The fourth proportional to 144,686,759.68, 199,618,346.40 and 89,662,539.52 is: 123,703,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,686,759.68 : 199,618,346.40 = 89,662,539.52 : x
  2. Step 2: Convert to fraction form
    144,686,759.68/199,618,346.40 = 89,662,539.52/x
  3. Step 3: Cross multiply
    144,686,759.68x = 199,618,346.40 × 89,662,539.52
  4. Step 4: Simplify right side
    144,686,759.68x = 17,898,287,873,007,050
  5. Step 5: Solve for x
    x = 17,898,287,873,007,050/144,686,759.68
  6. Step 6: Final answer
    x = 123,703,702.49

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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.