Finding the Fourth Proportional to 71,213,966.48, 106,834,233.72 and 32,355,143.12
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Solution
The fourth proportional to 71,213,966.48, 106,834,233.72 and 32,355,143.12 is: 48,538,750.09
Step by Step Solution
- Step 1: Write the proportion equation
71,213,966.48 : 106,834,233.72 = 32,355,143.12 : x - Step 2: Convert to fraction form
71,213,966.48/106,834,233.72 = 32,355,143.12/x - Step 3: Cross multiply
71,213,966.48x = 106,834,233.72 × 32,355,143.12 - Step 4: Simplify right side
71,213,966.48x = 3,456,636,922,126,130 - Step 5: Solve for x
x = 3,456,636,922,126,130/71,213,966.48 - Step 6: Final answer
x = 48,538,750.09
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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.