Finding the Fourth Proportional to 325,016,237.13, 487,518,708.98 and 130,922,690.91
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Solution
The fourth proportional to 325,016,237.13, 487,518,708.98 and 130,922,690.91 is: 196,381,761.75
Step by Step Solution
- Step 1: Write the proportion equation
325,016,237.13 : 487,518,708.98 = 130,922,690.91 : x - Step 2: Convert to fraction form
325,016,237.13/487,518,708.98 = 130,922,690.91/x - Step 3: Cross multiply
325,016,237.13x = 487,518,708.98 × 130,922,690.91 - Step 4: Simplify right side
325,016,237.13x = 63,827,261,245,538,576 - Step 5: Solve for x
x = 63,827,261,245,538,576/325,016,237.13 - Step 6: Final answer
x = 196,381,761.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.