Finding the Fourth Proportional to 138,065,038.92, 207,176,687.82 and 56,168,803.08
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Solution
The fourth proportional to 138,065,038.92, 207,176,687.82 and 56,168,803.08 is: 84,285,396.74
Step by Step Solution
- Step 1: Write the proportion equation
138,065,038.92 : 207,176,687.82 = 56,168,803.08 : x - Step 2: Convert to fraction form
138,065,038.92/207,176,687.82 = 56,168,803.08/x - Step 3: Cross multiply
138,065,038.92x = 207,176,687.82 × 56,168,803.08 - Step 4: Simplify right side
138,065,038.92x = 11,636,866,580,928,214 - Step 5: Solve for x
x = 11,636,866,580,928,214/138,065,038.92 - Step 6: Final answer
x = 84,285,396.74
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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.