Finding the Fourth Proportional to 159,857,035.84, 220,602,704.16 and 86,518,177.12
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Solution
The fourth proportional to 159,857,035.84, 220,602,704.16 and 86,518,177.12 is: 119,395,081.56
Step by Step Solution
- Step 1: Write the proportion equation
159,857,035.84 : 220,602,704.16 = 86,518,177.12 : x - Step 2: Convert to fraction form
159,857,035.84/220,602,704.16 = 86,518,177.12/x - Step 3: Cross multiply
159,857,035.84x = 220,602,704.16 × 86,518,177.12 - Step 4: Simplify right side
159,857,035.84x = 19,086,143,831,665,840 - Step 5: Solve for x
x = 19,086,143,831,665,840/159,857,035.84 - Step 6: Final answer
x = 119,395,081.56
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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.