Finding the Fourth Proportional to 124,724,343.24, 172,120,707.39 and 68,973,536.07
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Solution
The fourth proportional to 124,724,343.24, 172,120,707.39 and 68,973,536.07 is: 95,184,095.67
Step by Step Solution
- Step 1: Write the proportion equation
124,724,343.24 : 172,120,707.39 = 68,973,536.07 : x - Step 2: Convert to fraction form
124,724,343.24/172,120,707.39 = 68,973,536.07/x - Step 3: Cross multiply
124,724,343.24x = 172,120,707.39 × 68,973,536.07 - Step 4: Simplify right side
124,724,343.24x = 11,871,773,819,558,078 - Step 5: Solve for x
x = 11,871,773,819,558,078/124,724,343.24 - Step 6: Final answer
x = 95,184,095.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.