Finding the Fourth Proportional to 293,966,642.19, 405,670,746.93 and 161,804,813.07
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Solution
The fourth proportional to 293,966,642.19, 405,670,746.93 and 161,804,813.07 is: 223,288,870.08
Step by Step Solution
- Step 1: Write the proportion equation
293,966,642.19 : 405,670,746.93 = 161,804,813.07 : x - Step 2: Convert to fraction form
293,966,642.19/405,670,746.93 = 161,804,813.07/x - Step 3: Cross multiply
293,966,642.19x = 405,670,746.93 × 161,804,813.07 - Step 4: Simplify right side
293,966,642.19x = 65,639,479,374,975,928 - Step 5: Solve for x
x = 65,639,479,374,975,928/293,966,642.19 - Step 6: Final answer
x = 223,288,870.08
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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.