Finding the Fourth Proportional to 102,312,276.80, 153,468,415.20 and 102,312,276.80
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Solution
The fourth proportional to 102,312,276.80, 153,468,415.20 and 102,312,276.80 is: 153,468,415.20
Step by Step Solution
- Step 1: Write the proportion equation
102,312,276.80 : 153,468,415.20 = 102,312,276.80 : x - Step 2: Convert to fraction form
102,312,276.80/153,468,415.20 = 102,312,276.80/x - Step 3: Cross multiply
102,312,276.80x = 153,468,415.20 × 102,312,276.80 - Step 4: Simplify right side
102,312,276.80x = 15,701,702,975,999,726 - Step 5: Solve for x
x = 15,701,702,975,999,726/102,312,276.80 - Step 6: Final answer
x = 153,468,415.20
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1.5x scale
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.