Finding the Fourth Proportional to 68,487,914.09, 94,513,447.60 and 37,125,866.06
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Solution
The fourth proportional to 68,487,914.09, 94,513,447.60 and 37,125,866.06 is: 51,233,763.55
Step by Step Solution
- Step 1: Write the proportion equation
68,487,914.09 : 94,513,447.60 = 37,125,866.06 : x - Step 2: Convert to fraction form
68,487,914.09/94,513,447.60 = 37,125,866.06/x - Step 3: Cross multiply
68,487,914.09x = 94,513,447.60 × 37,125,866.06 - Step 4: Simplify right side
68,487,914.09x = 3,508,893,596,466,428.50 - Step 5: Solve for x
x = 3,508,893,596,466,428.50/68,487,914.09 - Step 6: Final answer
x = 51,233,763.55
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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.