Finding the Fourth Proportional to 139,718,873.70, 209,578,310.55 and 63,191,369.70
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Solution
The fourth proportional to 139,718,873.70, 209,578,310.55 and 63,191,369.70 is: 94,787,054.55
Step by Step Solution
- Step 1: Write the proportion equation
139,718,873.70 : 209,578,310.55 = 63,191,369.70 : x - Step 2: Convert to fraction form
139,718,873.70/209,578,310.55 = 63,191,369.70/x - Step 3: Cross multiply
139,718,873.70x = 209,578,310.55 × 63,191,369.70 - Step 4: Simplify right side
139,718,873.70x = 13,243,540,503,066,462 - Step 5: Solve for x
x = 13,243,540,503,066,462/139,718,873.70 - Step 6: Final answer
x = 94,787,054.55
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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.