Finding the Fourth Proportional to 72,686,824.12, 109,006,649.10 and 24,151,646.08
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Solution
The fourth proportional to 72,686,824.12, 109,006,649.10 and 24,151,646.08 is: 36,219,631.84
Step by Step Solution
- Step 1: Write the proportion equation
72,686,824.12 : 109,006,649.10 = 24,151,646.08 : x - Step 2: Convert to fraction form
72,686,824.12/109,006,649.10 = 24,151,646.08/x - Step 3: Cross multiply
72,686,824.12x = 109,006,649.10 × 24,151,646.08 - Step 4: Simplify right side
72,686,824.12x = 2,632,690,009,429,950 - Step 5: Solve for x
x = 2,632,690,009,429,950/72,686,824.12 - Step 6: Final answer
x = 36,219,631.84
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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.