Finding the Fourth Proportional to 171,858,802.95, 237,170,156.36 and 93,547,406.79
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Solution
The fourth proportional to 171,858,802.95, 237,170,156.36 and 93,547,406.79 is: 129,098,147.51
Step by Step Solution
- Step 1: Write the proportion equation
171,858,802.95 : 237,170,156.36 = 93,547,406.79 : x - Step 2: Convert to fraction form
171,858,802.95/237,170,156.36 = 93,547,406.79/x - Step 3: Cross multiply
171,858,802.95x = 237,170,156.36 × 93,547,406.79 - Step 4: Simplify right side
171,858,802.95x = 22,186,653,094,989,088 - Step 5: Solve for x
x = 22,186,653,094,989,088/171,858,802.95 - Step 6: Final answer
x = 129,098,147.51
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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.