Finding the Fourth Proportional to 113,730,745,554.99, 156,953,362,423.68 and 62,981,688,218.62
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Solution
The fourth proportional to 113,730,745,554.99, 156,953,362,423.68 and 62,981,688,218.62 is: 86,917,461,841.95
Step by Step Solution
- Step 1: Write the proportion equation
113,730,745,554.99 : 156,953,362,423.68 = 62,981,688,218.62 : x - Step 2: Convert to fraction form
113,730,745,554.99/156,953,362,423.68 = 62,981,688,218.62/x - Step 3: Cross multiply
113,730,745,554.99x = 156,953,362,423.68 × 62,981,688,218.62 - Step 4: Simplify right side
113,730,745,554.99x = 9,885,187,737,032,908,079,104 - Step 5: Solve for x
x = 9,885,187,737,032,908,079,104/113,730,745,554.99 - Step 6: Final answer
x = 86,917,461,841.95
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1.5x scale
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.