Finding the Fourth Proportional to 51,299,124.39, 70,791,409.08 and 29,272,225.23
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Solution
The fourth proportional to 51,299,124.39, 70,791,409.08 and 29,272,225.23 is: 40,394,881.89
Step by Step Solution
- Step 1: Write the proportion equation
51,299,124.39 : 70,791,409.08 = 29,272,225.23 : x - Step 2: Convert to fraction form
51,299,124.39/70,791,409.08 = 29,272,225.23/x - Step 3: Cross multiply
51,299,124.39x = 70,791,409.08 × 29,272,225.23 - Step 4: Simplify right side
51,299,124.39x = 2,072,222,070,938,827 - Step 5: Solve for x
x = 2,072,222,070,938,827/51,299,124.39 - Step 6: Final answer
x = 40,394,881.89
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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.