Finding the Fourth Proportional to 88,918,456.38, 122,720,305.04 and 51,234,402.95
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Solution
The fourth proportional to 88,918,456.38, 122,720,305.04 and 51,234,402.95 is: 70,710,871.66
Step by Step Solution
- Step 1: Write the proportion equation
88,918,456.38 : 122,720,305.04 = 51,234,402.95 : x - Step 2: Convert to fraction form
88,918,456.38/122,720,305.04 = 51,234,402.95/x - Step 3: Cross multiply
88,918,456.38x = 122,720,305.04 × 51,234,402.95 - Step 4: Simplify right side
88,918,456.38x = 6,287,501,557,696,502 - Step 5: Solve for x
x = 6,287,501,557,696,502/88,918,456.38 - Step 6: Final answer
x = 70,710,871.66
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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.