Finding the Fourth Proportional to 77,058,855.50, 115,607,572.52 and 22,471,447.28
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Solution
The fourth proportional to 77,058,855.50, 115,607,572.52 and 22,471,447.28 is: 33,712,795.94
Step by Step Solution
- Step 1: Write the proportion equation
77,058,855.50 : 115,607,572.52 = 22,471,447.28 : x - Step 2: Convert to fraction form
77,058,855.50/115,607,572.52 = 22,471,447.28/x - Step 3: Cross multiply
77,058,855.50x = 115,607,572.52 × 22,471,447.28 - Step 4: Simplify right side
77,058,855.50x = 2,597,869,470,361,561.50 - Step 5: Solve for x
x = 2,597,869,470,361,561.50/77,058,855.50 - Step 6: Final answer
x = 33,712,795.94
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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.