Finding the Fourth Proportional to 170,313,038.81, 235,032,088.12 and 91,996,592.91
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Solution
The fourth proportional to 170,313,038.81, 235,032,088.12 and 91,996,592.91 is: 126,955,349.29
Step by Step Solution
- Step 1: Write the proportion equation
170,313,038.81 : 235,032,088.12 = 91,996,592.91 : x - Step 2: Convert to fraction form
170,313,038.81/235,032,088.12 = 91,996,592.91/x - Step 3: Cross multiply
170,313,038.81x = 235,032,088.12 × 91,996,592.91 - Step 4: Simplify right side
170,313,038.81x = 21,622,151,330,451,528 - Step 5: Solve for x
x = 21,622,151,330,451,528/170,313,038.81 - Step 6: Final answer
x = 126,955,349.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.