Finding the Fourth Proportional to 73,244,317.20, 109,698,514.20 and 71,564,701.20
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Solution
The fourth proportional to 73,244,317.20, 109,698,514.20 and 71,564,701.20 is: 107,182,941.84
Step by Step Solution
- Step 1: Write the proportion equation
73,244,317.20 : 109,698,514.20 = 71,564,701.20 : x - Step 2: Convert to fraction form
73,244,317.20/109,698,514.20 = 71,564,701.20/x - Step 3: Cross multiply
73,244,317.20x = 109,698,514.20 × 71,564,701.20 - Step 4: Simplify right side
73,244,317.20x = 7,850,541,390,806,958 - Step 5: Solve for x
x = 7,850,541,390,806,958/73,244,317.20 - Step 6: Final answer
x = 107,182,941.84
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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.