Finding the Fourth Proportional to 68,478,947,703.84, 94,165,838,544.96 and 59,430,997,580.16
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Solution
The fourth proportional to 68,478,947,703.84, 94,165,838,544.96 and 59,430,997,580.16 is: 81,723,944,516.53
Step by Step Solution
- Step 1: Write the proportion equation
68,478,947,703.84 : 94,165,838,544.96 = 59,430,997,580.16 : x - Step 2: Convert to fraction form
68,478,947,703.84/94,165,838,544.96 = 59,430,997,580.16/x - Step 3: Cross multiply
68,478,947,703.84x = 94,165,838,544.96 × 59,430,997,580.16 - Step 4: Simplify right side
68,478,947,703.84x = 5,596,369,722,699,256,168,448 - Step 5: Solve for x
x = 5,596,369,722,699,256,168,448/68,478,947,703.84 - Step 6: Final answer
x = 81,723,944,516.53
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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.