Finding the Fourth Proportional to 99,523,958.18, 137,343,699.83 and 55,473,750.17
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Solution
The fourth proportional to 99,523,958.18, 137,343,699.83 and 55,473,750.17 is: 76,554,130.59
Step by Step Solution
- Step 1: Write the proportion equation
99,523,958.18 : 137,343,699.83 = 55,473,750.17 : x - Step 2: Convert to fraction form
99,523,958.18/137,343,699.83 = 55,473,750.17/x - Step 3: Cross multiply
99,523,958.18x = 137,343,699.83 × 55,473,750.17 - Step 4: Simplify right side
99,523,958.18x = 7,618,970,091,588,217 - Step 5: Solve for x
x = 7,618,970,091,588,217/99,523,958.18 - Step 6: Final answer
x = 76,554,130.59
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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.