Finding the Fourth Proportional to 118,998,529.76, 164,217,970.72 and 66,787,565.44
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Solution
The fourth proportional to 118,998,529.76, 164,217,970.72 and 66,787,565.44 is: 92,166,840.11
Step by Step Solution
- Step 1: Write the proportion equation
118,998,529.76 : 164,217,970.72 = 66,787,565.44 : x - Step 2: Convert to fraction form
118,998,529.76/164,217,970.72 = 66,787,565.44/x - Step 3: Cross multiply
118,998,529.76x = 164,217,970.72 × 66,787,565.44 - Step 4: Simplify right side
118,998,529.76x = 10,967,718,465,886,004 - Step 5: Solve for x
x = 10,967,718,465,886,004/118,998,529.76 - Step 6: Final answer
x = 92,166,840.11
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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.