Finding the Fourth Proportional to 118,997,060.96, 164,106,148.20 and 79,327,352.18
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Solution
The fourth proportional to 118,997,060.96, 164,106,148.20 and 79,327,352.18 is: 109,398,552.44
Step by Step Solution
- Step 1: Write the proportion equation
118,997,060.96 : 164,106,148.20 = 79,327,352.18 : x - Step 2: Convert to fraction form
118,997,060.96/164,106,148.20 = 79,327,352.18/x - Step 3: Cross multiply
118,997,060.96x = 164,106,148.20 × 79,327,352.18 - Step 4: Simplify right side
118,997,060.96x = 13,018,106,213,164,674 - Step 5: Solve for x
x = 13,018,106,213,164,674/118,997,060.96 - Step 6: Final answer
x = 109,398,552.44
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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.