Home / 163,644,707.36-225,829,636.52-89,305,268.16

Finding the Fourth Proportional to 163,644,707.36, 225,829,636.52 and 89,305,268.16

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Solution

The fourth proportional to 163,644,707.36, 225,829,636.52 and 89,305,268.16 is: 123,241,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,644,707.36 : 225,829,636.52 = 89,305,268.16 : x
  2. Step 2: Convert to fraction form
    163,644,707.36/225,829,636.52 = 89,305,268.16/x
  3. Step 3: Cross multiply
    163,644,707.36x = 225,829,636.52 × 89,305,268.16
  4. Step 4: Simplify right side
    163,644,707.36x = 20,167,776,247,893,928
  5. Step 5: Solve for x
    x = 20,167,776,247,893,928/163,644,707.36
  6. Step 6: Final answer
    x = 123,241,237.52

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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.