Finding the Fourth Proportional to 159,903,596.24, 220,667,036.64 and 86,564,738.24
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Solution
The fourth proportional to 159,903,596.24, 220,667,036.64 and 86,564,738.24 is: 119,459,378.74
Step by Step Solution
- Step 1: Write the proportion equation
159,903,596.24 : 220,667,036.64 = 86,564,738.24 : x - Step 2: Convert to fraction form
159,903,596.24/220,667,036.64 = 86,564,738.24/x - Step 3: Cross multiply
159,903,596.24x = 220,667,036.64 × 86,564,738.24 - Step 4: Simplify right side
159,903,596.24x = 19,101,984,264,938,088 - Step 5: Solve for x
x = 19,101,984,264,938,088/159,903,596.24 - Step 6: Final answer
x = 119,459,378.74
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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.