Finding the Fourth Proportional to 80,402,133.09, 110,924,885.93 and 47,342,177.49
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Solution
The fourth proportional to 80,402,133.09, 110,924,885.93 and 47,342,177.49 is: 65,314,506.42
Step by Step Solution
- Step 1: Write the proportion equation
80,402,133.09 : 110,924,885.93 = 47,342,177.49 : x - Step 2: Convert to fraction form
80,402,133.09/110,924,885.93 = 47,342,177.49/x - Step 3: Cross multiply
80,402,133.09x = 110,924,885.93 × 47,342,177.49 - Step 4: Simplify right side
80,402,133.09x = 5,251,425,637,519,353 - Step 5: Solve for x
x = 5,251,425,637,519,353/80,402,133.09 - Step 6: Final answer
x = 65,314,506.42
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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.