Finding the Fourth Proportional to 143,057,877,490.08, 197,430,305,158.80 and 82,926,370,576.80
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Solution
The fourth proportional to 143,057,877,490.08, 197,430,305,158.80 and 82,926,370,576.80 is: 114,444,439,802.52
Step by Step Solution
- Step 1: Write the proportion equation
143,057,877,490.08 : 197,430,305,158.80 = 82,926,370,576.80 : x - Step 2: Convert to fraction form
143,057,877,490.08/197,430,305,158.80 = 82,926,370,576.80/x - Step 3: Cross multiply
143,057,877,490.08x = 197,430,305,158.80 × 82,926,370,576.80 - Step 4: Simplify right side
143,057,877,490.08x = 16,372,178,648,689,356,570,624 - Step 5: Solve for x
x = 16,372,178,648,689,356,570,624/143,057,877,490.08 - Step 6: Final answer
x = 114,444,439,802.52
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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.