Finding the Fourth Proportional to 113,541,956.13, 156,687,962.42 and 61,330,992.09
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Solution
The fourth proportional to 113,541,956.13, 156,687,962.42 and 61,330,992.09 is: 84,636,803.09
Step by Step Solution
- Step 1: Write the proportion equation
113,541,956.13 : 156,687,962.42 = 61,330,992.09 : x - Step 2: Convert to fraction form
113,541,956.13/156,687,962.42 = 61,330,992.09/x - Step 3: Cross multiply
113,541,956.13x = 156,687,962.42 × 61,330,992.09 - Step 4: Simplify right side
113,541,956.13x = 9,609,828,183,779,238 - Step 5: Solve for x
x = 9,609,828,183,779,238/113,541,956.13 - Step 6: Final answer
x = 84,636,803.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.