Home / 84,101,039.80-126,127,940.10-26,610,933.40

Finding the Fourth Proportional to 84,101,039.80, 126,127,940.10 and 26,610,933.40

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Solution

The fourth proportional to 84,101,039.80, 126,127,940.10 and 26,610,933.40 is: 39,908,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,101,039.80 : 126,127,940.10 = 26,610,933.40 : x
  2. Step 2: Convert to fraction form
    84,101,039.80/126,127,940.10 = 26,610,933.40/x
  3. Step 3: Cross multiply
    84,101,039.80x = 126,127,940.10 × 26,610,933.40
  4. Step 4: Simplify right side
    84,101,039.80x = 3,356,382,213,880,289
  5. Step 5: Solve for x
    x = 3,356,382,213,880,289/84,101,039.80
  6. Step 6: Final answer
    x = 39,908,926.48

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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.