Finding the Fourth Proportional to 124,107,412.68, 186,031,796.04 and 69,439,848.48
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Solution
The fourth proportional to 124,107,412.68, 186,031,796.04 and 69,439,848.48 is: 104,087,414.69
Step by Step Solution
- Step 1: Write the proportion equation
124,107,412.68 : 186,031,796.04 = 69,439,848.48 : x - Step 2: Convert to fraction form
124,107,412.68/186,031,796.04 = 69,439,848.48/x - Step 3: Cross multiply
124,107,412.68x = 186,031,796.04 × 69,439,848.48 - Step 4: Simplify right side
124,107,412.68x = 12,918,019,729,479,864 - Step 5: Solve for x
x = 12,918,019,729,479,864/124,107,412.68 - Step 6: Final answer
x = 104,087,414.69
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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.