Finding the Fourth Proportional to 70,776,576.99, 106,180,948.50 and 21,596,829.57
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Solution
The fourth proportional to 70,776,576.99, 106,180,948.50 and 21,596,829.57 is: 32,400,151.94
Step by Step Solution
- Step 1: Write the proportion equation
70,776,576.99 : 106,180,948.50 = 21,596,829.57 : x - Step 2: Convert to fraction form
70,776,576.99/106,180,948.50 = 21,596,829.57/x - Step 3: Cross multiply
70,776,576.99x = 106,180,948.50 × 21,596,829.57 - Step 4: Simplify right side
70,776,576.99x = 2,293,171,848,335,447 - Step 5: Solve for x
x = 2,293,171,848,335,447/70,776,576.99 - Step 6: Final answer
x = 32,400,151.94
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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.