Finding the Fourth Proportional to 168,316,749,433.62, 232,274,243,531.98 and 91,153,963,847.34
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Solution
The fourth proportional to 168,316,749,433.62, 232,274,243,531.98 and 91,153,963,847.34 is: 125,790,915,454.51
Step by Step Solution
- Step 1: Write the proportion equation
168,316,749,433.62 : 232,274,243,531.98 = 91,153,963,847.34 : x - Step 2: Convert to fraction form
168,316,749,433.62/232,274,243,531.98 = 91,153,963,847.34/x - Step 3: Cross multiply
168,316,749,433.62x = 232,274,243,531.98 × 91,153,963,847.34 - Step 4: Simplify right side
168,316,749,433.62x = 21,172,717,997,582,352,121,856 - Step 5: Solve for x
x = 21,172,717,997,582,352,121,856/168,316,749,433.62 - Step 6: Final answer
x = 125,790,915,454.51
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1.5x scale
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.