Home / 163,569,925.89-225,726,188.09-89,230,466.79

Finding the Fourth Proportional to 163,569,925.89, 225,726,188.09 and 89,230,466.79

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Solution

The fourth proportional to 163,569,925.89, 225,726,188.09 and 89,230,466.79 is: 123,137,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,569,925.89 : 225,726,188.09 = 89,230,466.79 : x
  2. Step 2: Convert to fraction form
    163,569,925.89/225,726,188.09 = 89,230,466.79/x
  3. Step 3: Cross multiply
    163,569,925.89x = 225,726,188.09 × 89,230,466.79
  4. Step 4: Simplify right side
    163,569,925.89x = 20,141,653,129,551,888
  5. Step 5: Solve for x
    x = 20,141,653,129,551,888/163,569,925.89
  6. Step 6: Final answer
    x = 123,137,875.25

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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.