Finding the Fourth Proportional to 247,411,528.68, 341,407,581.95 and 135,896,606.45
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Solution
The fourth proportional to 247,411,528.68, 341,407,581.95 and 135,896,606.45 is: 187,526,151.46
Step by Step Solution
- Step 1: Write the proportion equation
247,411,528.68 : 341,407,581.95 = 135,896,606.45 : x - Step 2: Convert to fraction form
247,411,528.68/341,407,581.95 = 135,896,606.45/x - Step 3: Cross multiply
247,411,528.68x = 341,407,581.95 × 135,896,606.45 - Step 4: Simplify right side
247,411,528.68x = 46,396,131,800,918,752 - Step 5: Solve for x
x = 46,396,131,800,918,752/247,411,528.68 - Step 6: Final answer
x = 187,526,151.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.