Finding the Fourth Proportional to 85,749,037.07, 128,551,248.25 and 37,190,316.42
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Solution
The fourth proportional to 85,749,037.07, 128,551,248.25 and 37,190,316.42 is: 55,754,114.12
Step by Step Solution
- Step 1: Write the proportion equation
85,749,037.07 : 128,551,248.25 = 37,190,316.42 : x - Step 2: Convert to fraction form
85,749,037.07/128,551,248.25 = 37,190,316.42/x - Step 3: Cross multiply
85,749,037.07x = 128,551,248.25 × 37,190,316.42 - Step 4: Simplify right side
85,749,037.07x = 4,780,861,598,510,496 - Step 5: Solve for x
x = 4,780,861,598,510,496/85,749,037.07 - Step 6: Final answer
x = 55,754,114.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.