Finding the Fourth Proportional to 160,381,495.96, 221,326,555.02 and 87,042,637.96
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Solution
The fourth proportional to 160,381,495.96, 221,326,555.02 and 87,042,637.96 is: 120,118,889.55
Step by Step Solution
- Step 1: Write the proportion equation
160,381,495.96 : 221,326,555.02 = 87,042,637.96 : x - Step 2: Convert to fraction form
160,381,495.96/221,326,555.02 = 87,042,637.96/x - Step 3: Cross multiply
160,381,495.96x = 221,326,555.02 × 87,042,637.96 - Step 4: Simplify right side
160,381,495.96x = 19,264,847,199,539,880 - Step 5: Solve for x
x = 19,264,847,199,539,880/160,381,495.96 - Step 6: Final answer
x = 120,118,889.55
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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.