Finding the Fourth Proportional to 108,278,559.28, 149,425,562.44 and 58,719,030.08
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Solution
The fourth proportional to 108,278,559.28, 149,425,562.44 and 58,719,030.08 is: 81,032,885.49
Step by Step Solution
- Step 1: Write the proportion equation
108,278,559.28 : 149,425,562.44 = 58,719,030.08 : x - Step 2: Convert to fraction form
108,278,559.28/149,425,562.44 = 58,719,030.08/x - Step 3: Cross multiply
108,278,559.28x = 149,425,562.44 × 58,719,030.08 - Step 4: Simplify right side
108,278,559.28x = 8,774,124,095,635,278 - Step 5: Solve for x
x = 8,774,124,095,635,278/108,278,559.28 - Step 6: Final answer
x = 81,032,885.49
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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.