Finding the Fourth Proportional to 156,779,375.84, 235,153,867.85 and 47,605,506.56
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Solution
The fourth proportional to 156,779,375.84, 235,153,867.85 and 47,605,506.56 is: 71,403,645.66
Step by Step Solution
- Step 1: Write the proportion equation
156,779,375.84 : 235,153,867.85 = 47,605,506.56 : x - Step 2: Convert to fraction form
156,779,375.84/235,153,867.85 = 47,605,506.56/x - Step 3: Cross multiply
156,779,375.84x = 235,153,867.85 × 47,605,506.56 - Step 4: Simplify right side
156,779,375.84x = 11,194,618,998,542,548 - Step 5: Solve for x
x = 11,194,618,998,542,548/156,779,375.84 - Step 6: Final answer
x = 71,403,645.66
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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.