Finding the Fourth Proportional to 137,483,855.58, 189,731,316.46 and 74,763,621.81
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Solution
The fourth proportional to 137,483,855.58, 189,731,316.46 and 74,763,621.81 is: 103,175,753.47
Step by Step Solution
- Step 1: Write the proportion equation
137,483,855.58 : 189,731,316.46 = 74,763,621.81 : x - Step 2: Convert to fraction form
137,483,855.58/189,731,316.46 = 74,763,621.81/x - Step 3: Cross multiply
137,483,855.58x = 189,731,316.46 × 74,763,621.81 - Step 4: Simplify right side
137,483,855.58x = 14,185,000,389,145,350 - Step 5: Solve for x
x = 14,185,000,389,145,350/137,483,855.58 - Step 6: Final answer
x = 103,175,753.47
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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.