Finding the Fourth Proportional to 108,804,726.70, 163,207,090.05 and 74,367,349.90
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Solution
The fourth proportional to 108,804,726.70, 163,207,090.05 and 74,367,349.90 is: 111,551,024.85
Step by Step Solution
- Step 1: Write the proportion equation
108,804,726.70 : 163,207,090.05 = 74,367,349.90 : x - Step 2: Convert to fraction form
108,804,726.70/163,207,090.05 = 74,367,349.90/x - Step 3: Cross multiply
108,804,726.70x = 163,207,090.05 × 74,367,349.90 - Step 4: Simplify right side
108,804,726.70x = 12,137,278,771,909,160 - Step 5: Solve for x
x = 12,137,278,771,909,160/108,804,726.70 - Step 6: Final answer
x = 111,551,024.85
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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.