Home / 163,366,957-225,439,840.88-89,025,933.08

Finding the Fourth Proportional to 163,366,957, 225,439,840.88 and 89,025,933.08

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Solution

The fourth proportional to 163,366,957, 225,439,840.88 and 89,025,933.08 is: 122,852,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,366,957 : 225,439,840.88 = 89,025,933.08 : x
  2. Step 2: Convert to fraction form
    163,366,957/225,439,840.88 = 89,025,933.08/x
  3. Step 3: Cross multiply
    163,366,957x = 225,439,840.88 × 89,025,933.08
  4. Step 4: Simplify right side
    163,366,957x = 20,069,992,187,748,728
  5. Step 5: Solve for x
    x = 20,069,992,187,748,728/163,366,957
  6. Step 6: Final answer
    x = 122,852,212.93

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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.