Finding the Fourth Proportional to 56,058,927.76, 77,361,534.18 and 31,280,158.96
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Solution
The fourth proportional to 56,058,927.76, 77,361,534.18 and 31,280,158.96 is: 43,166,738.70
Step by Step Solution
- Step 1: Write the proportion equation
56,058,927.76 : 77,361,534.18 = 31,280,158.96 : x - Step 2: Convert to fraction form
56,058,927.76/77,361,534.18 = 31,280,158.96/x - Step 3: Cross multiply
56,058,927.76x = 77,361,534.18 × 31,280,158.96 - Step 4: Simplify right side
56,058,927.76x = 2,419,881,086,539,873.50 - Step 5: Solve for x
x = 2,419,881,086,539,873.50/56,058,927.76 - Step 6: Final answer
x = 43,166,738.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.