Home / 163,545,680.22-225,693,745.45-89,207,836.16

Finding the Fourth Proportional to 163,545,680.22, 225,693,745.45 and 89,207,836.16

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Solution

The fourth proportional to 163,545,680.22, 225,693,745.45 and 89,207,836.16 is: 123,107,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545,680.22 : 225,693,745.45 = 89,207,836.16 : x
  2. Step 2: Convert to fraction form
    163,545,680.22/225,693,745.45 = 89,207,836.16/x
  3. Step 3: Cross multiply
    163,545,680.22x = 225,693,745.45 × 89,207,836.16
  4. Step 4: Simplify right side
    163,545,680.22x = 20,133,650,666,485,952
  5. Step 5: Solve for x
    x = 20,133,650,666,485,952/163,545,680.22
  6. Step 6: Final answer
    x = 123,107,199.40

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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.