Finding the Fourth Proportional to 87,163,802.94, 120,291,488.21 and 48,005,569.31
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Solution
The fourth proportional to 87,163,802.94, 120,291,488.21 and 48,005,569.31 is: 66,250,681.82
Step by Step Solution
- Step 1: Write the proportion equation
87,163,802.94 : 120,291,488.21 = 48,005,569.31 : x - Step 2: Convert to fraction form
87,163,802.94/120,291,488.21 = 48,005,569.31/x - Step 3: Cross multiply
87,163,802.94x = 120,291,488.21 × 48,005,569.31 - Step 4: Simplify right side
87,163,802.94x = 5,774,661,374,728,904 - Step 5: Solve for x
x = 5,774,661,374,728,904/87,163,802.94 - Step 6: Final answer
x = 66,250,681.82
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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.