Finding the Fourth Proportional to 69,220,995.84, 103,823,562.24 and 18,107,948.16
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Solution
The fourth proportional to 69,220,995.84, 103,823,562.24 and 18,107,948.16 is: 27,159,847.38
Step by Step Solution
- Step 1: Write the proportion equation
69,220,995.84 : 103,823,562.24 = 18,107,948.16 : x - Step 2: Convert to fraction form
69,220,995.84/103,823,562.24 = 18,107,948.16/x - Step 3: Cross multiply
69,220,995.84x = 103,823,562.24 × 18,107,948.16 - Step 4: Simplify right side
69,220,995.84x = 1,880,031,682,828,453.50 - Step 5: Solve for x
x = 1,880,031,682,828,453.50/69,220,995.84 - Step 6: Final answer
x = 27,159,847.38
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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.