Home / 163,968,405.03-226,276,409.39-89,629,259.72

Finding the Fourth Proportional to 163,968,405.03, 226,276,409.39 and 89,629,259.72

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Solution

The fourth proportional to 163,968,405.03, 226,276,409.39 and 89,629,259.72 is: 123,688,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,968,405.03 : 226,276,409.39 = 89,629,259.72 : x
  2. Step 2: Convert to fraction form
    163,968,405.03/226,276,409.39 = 89,629,259.72/x
  3. Step 3: Cross multiply
    163,968,405.03x = 226,276,409.39 × 89,629,259.72
  4. Step 4: Simplify right side
    163,968,405.03x = 20,280,987,064,145,828
  5. Step 5: Solve for x
    x = 20,280,987,064,145,828/163,968,405.03
  6. Step 6: Final answer
    x = 123,688,384.12

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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.