Finding the Fourth Proportional to 136,142,564.16, 187,877,937.60 and 74,263,177.92
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Solution
The fourth proportional to 136,142,564.16, 187,877,937.60 and 74,263,177.92 is: 102,483,839.59
Step by Step Solution
- Step 1: Write the proportion equation
136,142,564.16 : 187,877,937.60 = 74,263,177.92 : x - Step 2: Convert to fraction form
136,142,564.16/187,877,937.60 = 74,263,177.92/x - Step 3: Cross multiply
136,142,564.16x = 187,877,937.60 × 74,263,177.92 - Step 4: Simplify right side
136,142,564.16x = 13,952,412,707,231,458 - Step 5: Solve for x
x = 13,952,412,707,231,458/136,142,564.16 - Step 6: Final answer
x = 102,483,839.59
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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.