Finding the Fourth Proportional to 97,776,124.80, 146,664,187.20 and 52,426,492.80
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Solution
The fourth proportional to 97,776,124.80, 146,664,187.20 and 52,426,492.80 is: 78,639,739.20
Step by Step Solution
- Step 1: Write the proportion equation
97,776,124.80 : 146,664,187.20 = 52,426,492.80 : x - Step 2: Convert to fraction form
97,776,124.80/146,664,187.20 = 52,426,492.80/x - Step 3: Cross multiply
97,776,124.80x = 146,664,187.20 × 52,426,492.80 - Step 4: Simplify right side
97,776,124.80x = 7,689,088,954,258,651 - Step 5: Solve for x
x = 7,689,088,954,258,651/97,776,124.80 - Step 6: Final answer
x = 78,639,739.20
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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.