Finding the Fourth Proportional to 121,563,070.64, 167,757,089.37 and 65,808,489.70
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Solution
The fourth proportional to 121,563,070.64, 167,757,089.37 and 65,808,489.70 is: 90,815,743.88
Step by Step Solution
- Step 1: Write the proportion equation
121,563,070.64 : 167,757,089.37 = 65,808,489.70 : x - Step 2: Convert to fraction form
121,563,070.64/167,757,089.37 = 65,808,489.70/x - Step 3: Cross multiply
121,563,070.64x = 167,757,089.37 × 65,808,489.70 - Step 4: Simplify right side
121,563,070.64x = 11,039,840,687,907,626 - Step 5: Solve for x
x = 11,039,840,687,907,626/121,563,070.64 - Step 6: Final answer
x = 90,815,743.88
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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.