Finding the Fourth Proportional to 180,166,533.20, 270,249,799.80 and 103,639,029.20
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Solution
The fourth proportional to 180,166,533.20, 270,249,799.80 and 103,639,029.20 is: 155,458,543.80
Step by Step Solution
- Step 1: Write the proportion equation
180,166,533.20 : 270,249,799.80 = 103,639,029.20 : x - Step 2: Convert to fraction form
180,166,533.20/270,249,799.80 = 103,639,029.20/x - Step 3: Cross multiply
180,166,533.20x = 270,249,799.80 × 103,639,029.20 - Step 4: Simplify right side
180,166,533.20x = 28,008,426,892,766,356 - Step 5: Solve for x
x = 28,008,426,892,766,356/180,166,533.20 - Step 6: Final answer
x = 155,458,543.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.