Home / 89,666,365.80-123,735,761.64-49,971,784.35

Finding the Fourth Proportional to 89,666,365.80, 123,735,761.64 and 49,971,784.35

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Solution

The fourth proportional to 89,666,365.80, 123,735,761.64 and 49,971,784.35 is: 68,958,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666,365.80 : 123,735,761.64 = 49,971,784.35 : x
  2. Step 2: Convert to fraction form
    89,666,365.80/123,735,761.64 = 49,971,784.35/x
  3. Step 3: Cross multiply
    89,666,365.80x = 123,735,761.64 × 49,971,784.35
  4. Step 4: Simplify right side
    89,666,365.80x = 6,183,296,797,057,083
  5. Step 5: Solve for x
    x = 6,183,296,797,057,083/89,666,365.80
  6. Step 6: Final answer
    x = 68,958,931.72

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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.