Home / 205,558,624.50-308,418,638.13-90,462,430.14

Finding the Fourth Proportional to 205,558,624.50, 308,418,638.13 and 90,462,430.14

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Solution

The fourth proportional to 205,558,624.50, 308,418,638.13 and 90,462,430.14 is: 135,729,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,558,624.50 : 308,418,638.13 = 90,462,430.14 : x
  2. Step 2: Convert to fraction form
    205,558,624.50/308,418,638.13 = 90,462,430.14/x
  3. Step 3: Cross multiply
    205,558,624.50x = 308,418,638.13 × 90,462,430.14
  4. Step 4: Simplify right side
    205,558,624.50x = 27,900,299,505,709,064
  5. Step 5: Solve for x
    x = 27,900,299,505,709,064/205,558,624.50
  6. Step 6: Final answer
    x = 135,729,160.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.