Finding the Fourth Proportional to 135,791,775,321.84, 187,384,206,515.12 and 74,820,730,534.96
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Solution
The fourth proportional to 135,791,775,321.84, 187,384,206,515.12 and 74,820,730,534.96 is: 103,247,955,842.29
Step by Step Solution
- Step 1: Write the proportion equation
135,791,775,321.84 : 187,384,206,515.12 = 74,820,730,534.96 : x - Step 2: Convert to fraction form
135,791,775,321.84/187,384,206,515.12 = 74,820,730,534.96/x - Step 3: Cross multiply
135,791,775,321.84x = 187,384,206,515.12 × 74,820,730,534.96 - Step 4: Simplify right side
135,791,775,321.84x = 14,020,223,222,175,091,392,512 - Step 5: Solve for x
x = 14,020,223,222,175,091,392,512/135,791,775,321.84 - Step 6: Final answer
x = 103,247,955,842.29
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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.