Finding the Fourth Proportional to 260,574,486.48, 390,875,182.20 and 66,487,600.08
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Solution
The fourth proportional to 260,574,486.48, 390,875,182.20 and 66,487,600.08 is: 99,734,832.62
Step by Step Solution
- Step 1: Write the proportion equation
260,574,486.48 : 390,875,182.20 = 66,487,600.08 : x - Step 2: Convert to fraction form
260,574,486.48/390,875,182.20 = 66,487,600.08/x - Step 3: Cross multiply
260,574,486.48x = 390,875,182.20 × 66,487,600.08 - Step 4: Simplify right side
260,574,486.48x = 25,988,352,795,310,732 - Step 5: Solve for x
x = 25,988,352,795,310,732/260,574,486.48 - Step 6: Final answer
x = 99,734,832.62
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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.