Finding the Fourth Proportional to 86,252,498,007.66, 129,372,617,897.92 and 26,554,935,392.07
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Solution
The fourth proportional to 86,252,498,007.66, 129,372,617,897.92 and 26,554,935,392.07 is: 39,830,516,090.99
Step by Step Solution
- Step 1: Write the proportion equation
86,252,498,007.66 : 129,372,617,897.92 = 26,554,935,392.07 : x - Step 2: Convert to fraction form
86,252,498,007.66/129,372,617,897.92 = 26,554,935,392.07/x - Step 3: Cross multiply
86,252,498,007.66x = 129,372,617,897.92 × 26,554,935,392.07 - Step 4: Simplify right side
86,252,498,007.66x = 3,435,481,509,782,224,371,712 - Step 5: Solve for x
x = 3,435,481,509,782,224,371,712/86,252,498,007.66 - Step 6: Final answer
x = 39,830,516,090.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.