Finding the Fourth Proportional to 180,659,145.50, 249,309,620.77 and 102,342,698.99
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Solution
The fourth proportional to 180,659,145.50, 249,309,620.77 and 102,342,698.99 is: 141,232,924.59
Step by Step Solution
- Step 1: Write the proportion equation
180,659,145.50 : 249,309,620.77 = 102,342,698.99 : x - Step 2: Convert to fraction form
180,659,145.50/249,309,620.77 = 102,342,698.99/x - Step 3: Cross multiply
180,659,145.50x = 249,309,620.77 × 102,342,698.99 - Step 4: Simplify right side
180,659,145.50x = 25,515,019,473,775,160 - Step 5: Solve for x
x = 25,515,019,473,775,160/180,659,145.50 - Step 6: Final answer
x = 141,232,924.59
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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.