Finding the Fourth Proportional to 156,779,387.44, 235,153,885.19 and 47,605,518.12
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Solution
The fourth proportional to 156,779,387.44, 235,153,885.19 and 47,605,518.12 is: 71,403,662.98
Step by Step Solution
- Step 1: Write the proportion equation
156,779,387.44 : 235,153,885.19 = 47,605,518.12 : x - Step 2: Convert to fraction form
156,779,387.44/235,153,885.19 = 47,605,518.12/x - Step 3: Cross multiply
156,779,387.44x = 235,153,885.19 × 47,605,518.12 - Step 4: Simplify right side
156,779,387.44x = 11,194,622,542,519,958 - Step 5: Solve for x
x = 11,194,622,542,519,958/156,779,387.44 - Step 6: Final answer
x = 71,403,662.98
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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.