Finding the Fourth Proportional to 124,525,186.20, 186,867,495.45 and 72,709,688.70
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Solution
The fourth proportional to 124,525,186.20, 186,867,495.45 and 72,709,688.70 is: 109,111,078.95
Step by Step Solution
- Step 1: Write the proportion equation
124,525,186.20 : 186,867,495.45 = 72,709,688.70 : x - Step 2: Convert to fraction form
124,525,186.20/186,867,495.45 = 72,709,688.70/x - Step 3: Cross multiply
124,525,186.20x = 186,867,495.45 × 72,709,688.70 - Step 4: Simplify right side
124,525,186.20x = 13,587,077,422,318,166 - Step 5: Solve for x
x = 13,587,077,422,318,166/124,525,186.20 - Step 6: Final answer
x = 109,111,078.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.