Finding the Fourth Proportional to 68,112,210.18, 93,982,474.02 and 40,239,458.34
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Solution
The fourth proportional to 68,112,210.18, 93,982,474.02 and 40,239,458.34 is: 55,523,140.98
Step by Step Solution
- Step 1: Write the proportion equation
68,112,210.18 : 93,982,474.02 = 40,239,458.34 : x - Step 2: Convert to fraction form
68,112,210.18/93,982,474.02 = 40,239,458.34/x - Step 3: Cross multiply
68,112,210.18x = 93,982,474.02 × 40,239,458.34 - Step 4: Simplify right side
68,112,210.18x = 3,781,803,848,017,922.50 - Step 5: Solve for x
x = 3,781,803,848,017,922.50/68,112,210.18 - Step 6: Final answer
x = 55,523,140.98
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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.