Finding the Fourth Proportional to 121,293,012.42, 181,958,329.74 and 51,263,535.84
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Solution
The fourth proportional to 121,293,012.42, 181,958,329.74 and 51,263,535.84 is: 76,903,254.13
Step by Step Solution
- Step 1: Write the proportion equation
121,293,012.42 : 181,958,329.74 = 51,263,535.84 : x - Step 2: Convert to fraction form
121,293,012.42/181,958,329.74 = 51,263,535.84/x - Step 3: Cross multiply
121,293,012.42x = 181,958,329.74 × 51,263,535.84 - Step 4: Simplify right side
121,293,012.42x = 9,327,827,358,013,030 - Step 5: Solve for x
x = 9,327,827,358,013,030/121,293,012.42 - Step 6: Final answer
x = 76,903,254.13
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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.