Finding the Fourth Proportional to 81,386,387,068.46, 122,093,488,712.91 and 33,553,248,455.84
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Solution
The fourth proportional to 81,386,387,068.46, 122,093,488,712.91 and 33,553,248,455.84 is: 50,335,606,594.49
Step by Step Solution
- Step 1: Write the proportion equation
81,386,387,068.46 : 122,093,488,712.91 = 33,553,248,455.84 : x - Step 2: Convert to fraction form
81,386,387,068.46/122,093,488,712.91 = 33,553,248,455.84/x - Step 3: Cross multiply
81,386,387,068.46x = 122,093,488,712.91 × 33,553,248,455.84 - Step 4: Simplify right side
81,386,387,068.46x = 4,096,633,161,624,565,841,920 - Step 5: Solve for x
x = 4,096,633,161,624,565,841,920/81,386,387,068.46 - Step 6: Final answer
x = 50,335,606,594.49
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1.5x scale
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.