Finding the Fourth Proportional to 239,765,564.52, 330,876,475.02 and 129,757,277.52
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Solution
The fourth proportional to 239,765,564.52, 330,876,475.02 and 129,757,277.52 is: 179,065,040.80
Step by Step Solution
- Step 1: Write the proportion equation
239,765,564.52 : 330,876,475.02 = 129,757,277.52 : x - Step 2: Convert to fraction form
239,765,564.52/330,876,475.02 = 129,757,277.52/x - Step 3: Cross multiply
239,765,564.52x = 330,876,475.02 × 129,757,277.52 - Step 4: Simplify right side
239,765,564.52x = 42,933,630,594,009,480 - Step 5: Solve for x
x = 42,933,630,594,009,480/239,765,564.52 - Step 6: Final answer
x = 179,065,040.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.