Finding the Fourth Proportional to 56,376,670.70, 84,565,006.05 and 42,939,742.70
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Solution
The fourth proportional to 56,376,670.70, 84,565,006.05 and 42,939,742.70 is: 64,409,614.05
Step by Step Solution
- Step 1: Write the proportion equation
56,376,670.70 : 84,565,006.05 = 42,939,742.70 : x - Step 2: Convert to fraction form
56,376,670.70/84,565,006.05 = 42,939,742.70/x - Step 3: Cross multiply
56,376,670.70x = 84,565,006.05 × 42,939,742.70 - Step 4: Simplify right side
56,376,670.70x = 3,631,199,601,210,943.50 - Step 5: Solve for x
x = 3,631,199,601,210,943.50/56,376,670.70 - Step 6: Final answer
x = 64,409,614.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.