Finding the Fourth Proportional to 97,159,007.70, 145,738,511.55 and 25,355,423.70
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Solution
The fourth proportional to 97,159,007.70, 145,738,511.55 and 25,355,423.70 is: 38,033,135.55
Step by Step Solution
- Step 1: Write the proportion equation
97,159,007.70 : 145,738,511.55 = 25,355,423.70 : x - Step 2: Convert to fraction form
97,159,007.70/145,738,511.55 = 25,355,423.70/x - Step 3: Cross multiply
97,159,007.70x = 145,738,511.55 × 25,355,423.70 - Step 4: Simplify right side
97,159,007.70x = 3,695,261,709,757,594 - Step 5: Solve for x
x = 3,695,261,709,757,594/97,159,007.70 - Step 6: Final answer
x = 38,033,135.55
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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.