Finding the Fourth Proportional to 135,791,776,074.24, 187,384,207,547.79 and 74,820,731,285.70
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Solution
The fourth proportional to 135,791,776,074.24, 187,384,207,547.79 and 74,820,731,285.70 is: 103,247,956,875.18
Step by Step Solution
- Step 1: Write the proportion equation
135,791,776,074.24 : 187,384,207,547.79 = 74,820,731,285.70 : x - Step 2: Convert to fraction form
135,791,776,074.24/187,384,207,547.79 = 74,820,731,285.70/x - Step 3: Cross multiply
135,791,776,074.24x = 187,384,207,547.79 × 74,820,731,285.70 - Step 4: Simplify right side
135,791,776,074.24x = 14,020,223,440,117,032,812,544 - Step 5: Solve for x
x = 14,020,223,440,117,032,812,544/135,791,776,074.24 - Step 6: Final answer
x = 103,247,956,875.18
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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.