Home / 133,229,979.47-183,801,072.63-89,191,166.91

Finding the Fourth Proportional to 133,229,979.47, 183,801,072.63 and 89,191,166.91

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Solution

The fourth proportional to 133,229,979.47, 183,801,072.63 and 89,191,166.91 is: 123,046,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,229,979.47 : 183,801,072.63 = 89,191,166.91 : x
  2. Step 2: Convert to fraction form
    133,229,979.47/183,801,072.63 = 89,191,166.91/x
  3. Step 3: Cross multiply
    133,229,979.47x = 183,801,072.63 × 89,191,166.91
  4. Step 4: Simplify right side
    133,229,979.47x = 16,393,432,147,179,362
  5. Step 5: Solve for x
    x = 16,393,432,147,179,362/133,229,979.47
  6. Step 6: Final answer
    x = 123,046,120.80

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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.