Finding the Fourth Proportional to 157,464,656.20, 236,315,082.30 and 80,748,195.40
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Solution
The fourth proportional to 157,464,656.20, 236,315,082.30 and 80,748,195.40 is: 121,182,853.99
Step by Step Solution
- Step 1: Write the proportion equation
157,464,656.20 : 236,315,082.30 = 80,748,195.40 : x - Step 2: Convert to fraction form
157,464,656.20/236,315,082.30 = 80,748,195.40/x - Step 3: Cross multiply
157,464,656.20x = 236,315,082.30 × 80,748,195.40 - Step 4: Simplify right side
157,464,656.20x = 19,082,016,441,527,484 - Step 5: Solve for x
x = 19,082,016,441,527,484/157,464,656.20 - Step 6: Final answer
x = 121,182,853.99
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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.