Finding the Fourth Proportional to 135,791,775,490.68, 187,384,206,747.96 and 74,820,730,703.67
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Solution
The fourth proportional to 135,791,775,490.68, 187,384,206,747.96 and 74,820,730,703.67 is: 103,247,956,075.01
Step by Step Solution
- Step 1: Write the proportion equation
135,791,775,490.68 : 187,384,206,747.96 = 74,820,730,703.67 : x - Step 2: Convert to fraction form
135,791,775,490.68/187,384,206,747.96 = 74,820,730,703.67/x - Step 3: Cross multiply
135,791,775,490.68x = 187,384,206,747.96 × 74,820,730,703.67 - Step 4: Simplify right side
135,791,775,490.68x = 14,020,223,271,209,936,093,184 - Step 5: Solve for x
x = 14,020,223,271,209,936,093,184/135,791,775,490.68 - Step 6: Final answer
x = 103,247,956,075.01
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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.