Home / 163,646,838.02-225,837,419.75-89,312,169.33

Finding the Fourth Proportional to 163,646,838.02, 225,837,419.75 and 89,312,169.33

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Solution

The fourth proportional to 163,646,838.02, 225,837,419.75 and 89,312,169.33 is: 123,253,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,646,838.02 : 225,837,419.75 = 89,312,169.33 : x
  2. Step 2: Convert to fraction form
    163,646,838.02/225,837,419.75 = 89,312,169.33/x
  3. Step 3: Cross multiply
    163,646,838.02x = 225,837,419.75 × 89,312,169.33
  4. Step 4: Simplify right side
    163,646,838.02x = 20,170,029,873,315,724
  5. Step 5: Solve for x
    x = 20,170,029,873,315,724/163,646,838.02
  6. Step 6: Final answer
    x = 123,253,404.21

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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.