Home / 163,639,288.56-225,827,014.77-89,304,628.56

Finding the Fourth Proportional to 163,639,288.56, 225,827,014.77 and 89,304,628.56

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Solution

The fourth proportional to 163,639,288.56, 225,827,014.77 and 89,304,628.56 is: 123,243,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,639,288.56 : 225,827,014.77 = 89,304,628.56 : x
  2. Step 2: Convert to fraction form
    163,639,288.56/225,827,014.77 = 89,304,628.56/x
  3. Step 3: Cross multiply
    163,639,288.56x = 225,827,014.77 × 89,304,628.56
  4. Step 4: Simplify right side
    163,639,288.56x = 20,167,397,671,719,352
  5. Step 5: Solve for x
    x = 20,167,397,671,719,352/163,639,288.56
  6. Step 6: Final answer
    x = 123,243,005.08

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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.