Home / 142,294,824-196,367,538.08-77,104,843.84

Finding the Fourth Proportional to 142,294,824, 196,367,538.08 and 77,104,843.84

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Solution

The fourth proportional to 142,294,824, 196,367,538.08 and 77,104,843.84 is: 106,405,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,294,824 : 196,367,538.08 = 77,104,843.84 : x
  2. Step 2: Convert to fraction form
    142,294,824/196,367,538.08 = 77,104,843.84/x
  3. Step 3: Cross multiply
    142,294,824x = 196,367,538.08 × 77,104,843.84
  4. Step 4: Simplify right side
    142,294,824x = 15,140,888,358,903,656
  5. Step 5: Solve for x
    x = 15,140,888,358,903,656/142,294,824
  6. Step 6: Final answer
    x = 106,405,053.49

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1.5x scale

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.