Finding the Fourth Proportional to 79,656,315.30, 119,484,472.95 and 49,045,313.70
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Solution
The fourth proportional to 79,656,315.30, 119,484,472.95 and 49,045,313.70 is: 73,567,970.55
Step by Step Solution
- Step 1: Write the proportion equation
79,656,315.30 : 119,484,472.95 = 49,045,313.70 : x - Step 2: Convert to fraction form
79,656,315.30/119,484,472.95 = 49,045,313.70/x - Step 3: Cross multiply
79,656,315.30x = 119,484,472.95 × 49,045,313.70 - Step 4: Simplify right side
79,656,315.30x = 5,860,153,458,111,915 - Step 5: Solve for x
x = 5,860,153,458,111,915/79,656,315.30 - Step 6: Final answer
x = 73,567,970.55
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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.