Finding the Fourth Proportional to 87,817,116.94, 121,187,763.83 and 48,118,339.32
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Solution
The fourth proportional to 87,817,116.94, 121,187,763.83 and 48,118,339.32 is: 66,403,386.31
Step by Step Solution
- Step 1: Write the proportion equation
87,817,116.94 : 121,187,763.83 = 48,118,339.32 : x - Step 2: Convert to fraction form
87,817,116.94/121,187,763.83 = 48,118,339.32/x - Step 3: Cross multiply
87,817,116.94x = 121,187,763.83 × 48,118,339.32 - Step 4: Simplify right side
87,817,116.94x = 5,831,353,940,677,728 - Step 5: Solve for x
x = 5,831,353,940,677,728/87,817,116.94 - Step 6: Final answer
x = 66,403,386.31
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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.