Finding the Fourth Proportional to 134,369,563,908.12, 185,435,631,596.70 and 77,276,918,981.40
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Solution
The fourth proportional to 134,369,563,908.12, 185,435,631,596.70 and 77,276,918,981.40 is: 106,645,388,005.88
Step by Step Solution
- Step 1: Write the proportion equation
134,369,563,908.12 : 185,435,631,596.70 = 77,276,918,981.40 : x - Step 2: Convert to fraction form
134,369,563,908.12/185,435,631,596.70 = 77,276,918,981.40/x - Step 3: Cross multiply
134,369,563,908.12x = 185,435,631,596.70 × 77,276,918,981.40 - Step 4: Simplify right side
134,369,563,908.12x = 14,329,894,279,162,923,843,584 - Step 5: Solve for x
x = 14,329,894,279,162,923,843,584/134,369,563,908.12 - Step 6: Final answer
x = 106,645,388,005.88
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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.