Finding the Fourth Proportional to 156,975,027.26, 216,623,421.68 and 87,360,389.68
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Solution
The fourth proportional to 156,975,027.26, 216,623,421.68 and 87,360,389.68 is: 120,556,160.19
Step by Step Solution
- Step 1: Write the proportion equation
156,975,027.26 : 216,623,421.68 = 87,360,389.68 : x - Step 2: Convert to fraction form
156,975,027.26/216,623,421.68 = 87,360,389.68/x - Step 3: Cross multiply
156,975,027.26x = 216,623,421.68 × 87,360,389.68 - Step 4: Simplify right side
156,975,027.26x = 18,924,306,531,779,764 - Step 5: Solve for x
x = 18,924,306,531,779,764/156,975,027.26 - Step 6: Final answer
x = 120,556,160.19
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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.