Finding the Fourth Proportional to 168,813,497.14, 232,957,621.02 and 93,463,182.13
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Solution
The fourth proportional to 168,813,497.14, 232,957,621.02 and 93,463,182.13 is: 128,976,420.31
Step by Step Solution
- Step 1: Write the proportion equation
168,813,497.14 : 232,957,621.02 = 93,463,182.13 : x - Step 2: Convert to fraction form
168,813,497.14/232,957,621.02 = 93,463,182.13/x - Step 3: Cross multiply
168,813,497.14x = 232,957,621.02 × 93,463,182.13 - Step 4: Simplify right side
168,813,497.14x = 21,772,960,561,963,776 - Step 5: Solve for x
x = 21,772,960,561,963,776/168,813,497.14 - Step 6: Final answer
x = 128,976,420.31
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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.