Finding the Fourth Proportional to 78,653,430.68, 117,980,519.18 and 24,065,929.08
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Solution
The fourth proportional to 78,653,430.68, 117,980,519.18 and 24,065,929.08 is: 36,099,007.80
Step by Step Solution
- Step 1: Write the proportion equation
78,653,430.68 : 117,980,519.18 = 24,065,929.08 : x - Step 2: Convert to fraction form
78,653,430.68/117,980,519.18 = 24,065,929.08/x - Step 3: Cross multiply
78,653,430.68x = 117,980,519.18 × 24,065,929.08 - Step 4: Simplify right side
78,653,430.68x = 2,839,310,807,287,130 - Step 5: Solve for x
x = 2,839,310,807,287,130/78,653,430.68 - Step 6: Final answer
x = 36,099,007.80
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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.