Finding the Fourth Proportional to 87,168,432.70, 130,516,719.45 and 68,294,064.70
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Solution
The fourth proportional to 87,168,432.70, 130,516,719.45 and 68,294,064.70 is: 102,256,252.71
Step by Step Solution
- Step 1: Write the proportion equation
87,168,432.70 : 130,516,719.45 = 68,294,064.70 : x - Step 2: Convert to fraction form
87,168,432.70/130,516,719.45 = 68,294,064.70/x - Step 3: Cross multiply
87,168,432.70x = 130,516,719.45 × 68,294,064.70 - Step 4: Simplify right side
87,168,432.70x = 8,913,517,282,550,049 - Step 5: Solve for x
x = 8,913,517,282,550,049/87,168,432.70 - Step 6: Final answer
x = 102,256,252.71
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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.