Finding the Fourth Proportional to 138,571,994.59, 207,831,501.84 and 41,527,702.18
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Solution
The fourth proportional to 138,571,994.59, 207,831,501.84 and 41,527,702.18 is: 62,283,614.65
Step by Step Solution
- Step 1: Write the proportion equation
138,571,994.59 : 207,831,501.84 = 41,527,702.18 : x - Step 2: Convert to fraction form
138,571,994.59/207,831,501.84 = 41,527,702.18/x - Step 3: Cross multiply
138,571,994.59x = 207,831,501.84 × 41,527,702.18 - Step 4: Simplify right side
138,571,994.59x = 8,630,764,712,033,642 - Step 5: Solve for x
x = 8,630,764,712,033,642/138,571,994.59 - Step 6: Final answer
x = 62,283,614.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.