Finding the Fourth Proportional to 135,555,402.84, 187,143,274.62 and 103,705,650.28
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Solution
The fourth proportional to 135,555,402.84, 187,143,274.62 and 103,705,650.28 is: 143,172,566.96
Step by Step Solution
- Step 1: Write the proportion equation
135,555,402.84 : 187,143,274.62 = 103,705,650.28 : x - Step 2: Convert to fraction form
135,555,402.84/187,143,274.62 = 103,705,650.28/x - Step 3: Cross multiply
135,555,402.84x = 187,143,274.62 × 103,705,650.28 - Step 4: Simplify right side
135,555,402.84x = 19,407,814,989,995,720 - Step 5: Solve for x
x = 19,407,814,989,995,720/135,555,402.84 - Step 6: Final answer
x = 143,172,566.96
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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.