Home / 163,646,840.02-225,837,422.51-89,312,171.33

Finding the Fourth Proportional to 163,646,840.02, 225,837,422.51 and 89,312,171.33

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Solution

The fourth proportional to 163,646,840.02, 225,837,422.51 and 89,312,171.33 is: 123,253,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,646,840.02 : 225,837,422.51 = 89,312,171.33 : x
  2. Step 2: Convert to fraction form
    163,646,840.02/225,837,422.51 = 89,312,171.33/x
  3. Step 3: Cross multiply
    163,646,840.02x = 225,837,422.51 × 89,312,171.33
  4. Step 4: Simplify right side
    163,646,840.02x = 20,170,030,571,938,716
  5. Step 5: Solve for x
    x = 20,170,030,571,938,716/163,646,840.02
  6. Step 6: Final answer
    x = 123,253,406.97

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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.