Finding the Fourth Proportional to 138,133,385.40, 207,274,727.70 and 61,468,246.20
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Solution
The fourth proportional to 138,133,385.40, 207,274,727.70 and 61,468,246.20 is: 92,235,587.77
Step by Step Solution
- Step 1: Write the proportion equation
138,133,385.40 : 207,274,727.70 = 61,468,246.20 : x - Step 2: Convert to fraction form
138,133,385.40/207,274,727.70 = 61,468,246.20/x - Step 3: Cross multiply
138,133,385.40x = 207,274,727.70 × 61,468,246.20 - Step 4: Simplify right side
138,133,385.40x = 12,740,813,993,301,560 - Step 5: Solve for x
x = 12,740,813,993,301,560/138,133,385.40 - Step 6: Final answer
x = 92,235,587.77
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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.