Finding the Fourth Proportional to 133,440,317.16, 184,142,257.38 and 77,687,342.07
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Solution
The fourth proportional to 133,440,317.16, 184,142,257.38 and 77,687,342.07 is: 107,205,399.71
Step by Step Solution
- Step 1: Write the proportion equation
133,440,317.16 : 184,142,257.38 = 77,687,342.07 : x - Step 2: Convert to fraction form
133,440,317.16/184,142,257.38 = 77,687,342.07/x - Step 3: Cross multiply
133,440,317.16x = 184,142,257.38 × 77,687,342.07 - Step 4: Simplify right side
133,440,317.16x = 14,305,522,538,622,040 - Step 5: Solve for x
x = 14,305,522,538,622,040/133,440,317.16 - Step 6: Final answer
x = 107,205,399.71
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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.