Finding the Fourth Proportional to 207,390,988.14, 310,869,182.55 and 96,635,345.83
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Solution
The fourth proportional to 207,390,988.14, 310,869,182.55 and 96,635,345.83 is: 144,851,766.38
Step by Step Solution
- Step 1: Write the proportion equation
207,390,988.14 : 310,869,182.55 = 96,635,345.83 : x - Step 2: Convert to fraction form
207,390,988.14/310,869,182.55 = 96,635,345.83/x - Step 3: Cross multiply
207,390,988.14x = 310,869,182.55 × 96,635,345.83 - Step 4: Simplify right side
207,390,988.14x = 30,040,950,963,608,652 - Step 5: Solve for x
x = 30,040,950,963,608,652/207,390,988.14 - Step 6: Final answer
x = 144,851,766.38
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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.