Finding the Fourth Proportional to 135,564,484.85, 187,065,916.91 and 76,028,197.96
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Solution
The fourth proportional to 135,564,484.85, 187,065,916.91 and 76,028,197.96 is: 104,911,581.95
Step by Step Solution
- Step 1: Write the proportion equation
135,564,484.85 : 187,065,916.91 = 76,028,197.96 : x - Step 2: Convert to fraction form
135,564,484.85/187,065,916.91 = 76,028,197.96/x - Step 3: Cross multiply
135,564,484.85x = 187,065,916.91 × 76,028,197.96 - Step 4: Simplify right side
135,564,484.85x = 14,222,284,561,467,062 - Step 5: Solve for x
x = 14,222,284,561,467,062/135,564,484.85 - Step 6: Final answer
x = 104,911,581.95
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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.