Finding the Fourth Proportional to 117,336,387.48, 161,922,995.10 and 65,125,878.36
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Solution
The fourth proportional to 117,336,387.48, 161,922,995.10 and 65,125,878.36 is: 89,873,035.20
Step by Step Solution
- Step 1: Write the proportion equation
117,336,387.48 : 161,922,995.10 = 65,125,878.36 : x - Step 2: Convert to fraction form
117,336,387.48/161,922,995.10 = 65,125,878.36/x - Step 3: Cross multiply
117,336,387.48x = 161,922,995.10 × 65,125,878.36 - Step 4: Simplify right side
117,336,387.48x = 10,545,377,282,569,476 - Step 5: Solve for x
x = 10,545,377,282,569,476/117,336,387.48 - Step 6: Final answer
x = 89,873,035.20
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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.