Finding the Fourth Proportional to 145,667,333.17, 201,018,573.80 and 79,586,412.53
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Solution
The fourth proportional to 145,667,333.17, 201,018,573.80 and 79,586,412.53 is: 109,827,967.55
Step by Step Solution
- Step 1: Write the proportion equation
145,667,333.17 : 201,018,573.80 = 79,586,412.53 : x - Step 2: Convert to fraction form
145,667,333.17/201,018,573.80 = 79,586,412.53/x - Step 3: Cross multiply
145,667,333.17x = 201,018,573.80 × 79,586,412.53 - Step 4: Simplify right side
145,667,333.17x = 15,998,347,140,639,050 - Step 5: Solve for x
x = 15,998,347,140,639,050/145,667,333.17 - Step 6: Final answer
x = 109,827,967.55
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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.