Finding the Fourth Proportional to 113,959,440, 157,264,166.52 and 61,748,434.08
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Solution
The fourth proportional to 113,959,440, 157,264,166.52 and 61,748,434.08 is: 85,212,914.52
Step by Step Solution
- Step 1: Write the proportion equation
113,959,440 : 157,264,166.52 = 61,748,434.08 : x - Step 2: Convert to fraction form
113,959,440/157,264,166.52 = 61,748,434.08/x - Step 3: Cross multiply
113,959,440x = 157,264,166.52 × 61,748,434.08 - Step 4: Simplify right side
113,959,440x = 9,710,816,019,506,364 - Step 5: Solve for x
x = 9,710,816,019,506,364/113,959,440 - Step 6: Final answer
x = 85,212,914.52
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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.