Finding the Fourth Proportional to 80,248,124.36, 110,776,309.92 and 54,177,953.60
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Solution
The fourth proportional to 80,248,124.36, 110,776,309.92 and 54,177,953.60 is: 74,788,461.75
Step by Step Solution
- Step 1: Write the proportion equation
80,248,124.36 : 110,776,309.92 = 54,177,953.60 : x - Step 2: Convert to fraction form
80,248,124.36/110,776,309.92 = 54,177,953.60/x - Step 3: Cross multiply
80,248,124.36x = 110,776,309.92 × 54,177,953.60 - Step 4: Simplify right side
80,248,124.36x = 6,001,633,778,824,980 - Step 5: Solve for x
x = 6,001,633,778,824,980/80,248,124.36 - Step 6: Final answer
x = 74,788,461.75
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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.