Finding the Fourth Proportional to 79,750,012.18, 119,646,284.12 and 28,632,473.86
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Solution
The fourth proportional to 79,750,012.18, 119,646,284.12 and 28,632,473.86 is: 42,956,345.82
Step by Step Solution
- Step 1: Write the proportion equation
79,750,012.18 : 119,646,284.12 = 28,632,473.86 : x - Step 2: Convert to fraction form
79,750,012.18/119,646,284.12 = 28,632,473.86/x - Step 3: Cross multiply
79,750,012.18x = 119,646,284.12 × 28,632,473.86 - Step 4: Simplify right side
79,750,012.18x = 3,425,769,102,512,033 - Step 5: Solve for x
x = 3,425,769,102,512,033/79,750,012.18 - Step 6: Final answer
x = 42,956,345.82
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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.