Finding the Fourth Proportional to 109,000,646.88, 163,235,370.08 and 72,090,050.08
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Solution
The fourth proportional to 109,000,646.88, 163,235,370.08 and 72,090,050.08 is: 107,959,414.38
Step by Step Solution
- Step 1: Write the proportion equation
109,000,646.88 : 163,235,370.08 = 72,090,050.08 : x - Step 2: Convert to fraction form
109,000,646.88/163,235,370.08 = 72,090,050.08/x - Step 3: Cross multiply
109,000,646.88x = 163,235,370.08 × 72,090,050.08 - Step 4: Simplify right side
109,000,646.88x = 11,767,646,003,894,534 - Step 5: Solve for x
x = 11,767,646,003,894,534/109,000,646.88 - Step 6: Final answer
x = 107,959,414.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.