Finding the Fourth Proportional to 88,271,833.36, 121,831,994.74 and 58,449,881.52
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Solution
The fourth proportional to 88,271,833.36, 121,831,994.74 and 58,449,881.52 is: 80,672,003.59
Step by Step Solution
- Step 1: Write the proportion equation
88,271,833.36 : 121,831,994.74 = 58,449,881.52 : x - Step 2: Convert to fraction form
88,271,833.36/121,831,994.74 = 58,449,881.52/x - Step 3: Cross multiply
88,271,833.36x = 121,831,994.74 × 58,449,881.52 - Step 4: Simplify right side
88,271,833.36x = 7,121,065,657,606,014 - Step 5: Solve for x
x = 7,121,065,657,606,014/88,271,833.36 - Step 6: Final answer
x = 80,672,003.59
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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.