Finding the Fourth Proportional to 138,924,347.40, 191,758,529.66 and 89,364,722.18
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Solution
The fourth proportional to 138,924,347.40, 191,758,529.66 and 89,364,722.18 is: 123,350,931.99
Step by Step Solution
- Step 1: Write the proportion equation
138,924,347.40 : 191,758,529.66 = 89,364,722.18 : x - Step 2: Convert to fraction form
138,924,347.40/191,758,529.66 = 89,364,722.18/x - Step 3: Cross multiply
138,924,347.40x = 191,758,529.66 × 89,364,722.18 - Step 4: Simplify right side
138,924,347.40x = 17,136,447,727,305,574 - Step 5: Solve for x
x = 17,136,447,727,305,574/138,924,347.40 - Step 6: Final answer
x = 123,350,931.99
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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.