Finding the Fourth Proportional to 239,215,587, 330,117,744.15 and 129,207,300
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Solution
The fourth proportional to 239,215,587, 330,117,744.15 and 129,207,300 is: 178,306,200.44
Step by Step Solution
- Step 1: Write the proportion equation
239,215,587 : 330,117,744.15 = 129,207,300 : x - Step 2: Convert to fraction form
239,215,587/330,117,744.15 = 129,207,300/x - Step 3: Cross multiply
239,215,587x = 330,117,744.15 × 129,207,300 - Step 4: Simplify right side
239,215,587x = 42,653,622,403,712,288 - Step 5: Solve for x
x = 42,653,622,403,712,288/239,215,587 - Step 6: Final answer
x = 178,306,200.44
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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.