Finding the Fourth Proportional to 287,236,451.23, 430,915,206.62 and 93,132,730.80
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Solution
The fourth proportional to 287,236,451.23, 430,915,206.62 and 93,132,730.80 is: 139,718,722.20
Step by Step Solution
- Step 1: Write the proportion equation
287,236,451.23 : 430,915,206.62 = 93,132,730.80 : x - Step 2: Convert to fraction form
287,236,451.23/430,915,206.62 = 93,132,730.80/x - Step 3: Cross multiply
287,236,451.23x = 430,915,206.62 × 93,132,730.80 - Step 4: Simplify right side
287,236,451.23x = 40,132,309,935,999,672 - Step 5: Solve for x
x = 40,132,309,935,999,672/287,236,451.23 - Step 6: Final answer
x = 139,718,722.20
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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.