Finding the Fourth Proportional to 101,716,980.12, 140,368,457.88 and 55,307,251.08
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Solution
The fourth proportional to 101,716,980.12, 140,368,457.88 and 55,307,251.08 is: 76,323,476.52
Step by Step Solution
- Step 1: Write the proportion equation
101,716,980.12 : 140,368,457.88 = 55,307,251.08 : x - Step 2: Convert to fraction form
101,716,980.12/140,368,457.88 = 55,307,251.08/x - Step 3: Cross multiply
101,716,980.12x = 140,368,457.88 × 55,307,251.08 - Step 4: Simplify right side
101,716,980.12x = 7,763,393,543,681,564 - Step 5: Solve for x
x = 7,763,393,543,681,564/101,716,980.12 - Step 6: Final answer
x = 76,323,476.52
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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.