Finding the Fourth Proportional to 53,736,282.70, 74,156,090.07 and 30,531,440.14
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Solution
The fourth proportional to 53,736,282.70, 74,156,090.07 and 30,531,440.14 is: 42,133,398.72
Step by Step Solution
- Step 1: Write the proportion equation
53,736,282.70 : 74,156,090.07 = 30,531,440.14 : x - Step 2: Convert to fraction form
53,736,282.70/74,156,090.07 = 30,531,440.14/x - Step 3: Cross multiply
53,736,282.70x = 74,156,090.07 × 30,531,440.14 - Step 4: Simplify right side
53,736,282.70x = 2,264,092,224,988,653 - Step 5: Solve for x
x = 2,264,092,224,988,653/53,736,282.70 - Step 6: Final answer
x = 42,133,398.72
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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.