Home / 154,557,279.48-213,294,160.80-84,945,127.80

Finding the Fourth Proportional to 154,557,279.48, 213,294,160.80 and 84,945,127.80

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Solution

The fourth proportional to 154,557,279.48, 213,294,160.80 and 84,945,127.80 is: 117,227,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,279.48 : 213,294,160.80 = 84,945,127.80 : x
  2. Step 2: Convert to fraction form
    154,557,279.48/213,294,160.80 = 84,945,127.80/x
  3. Step 3: Cross multiply
    154,557,279.48x = 213,294,160.80 × 84,945,127.80
  4. Step 4: Simplify right side
    154,557,279.48x = 18,118,299,748,149,752
  5. Step 5: Solve for x
    x = 18,118,299,748,149,752/154,557,279.48
  6. Step 6: Final answer
    x = 117,227,087.65

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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.