Finding the Fourth Proportional to 268,406,889.36, 402,726,918.14 and 145,671,918.81
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Solution
The fourth proportional to 268,406,889.36, 402,726,918.14 and 145,671,918.81 is: 218,571,151.66
Step by Step Solution
- Step 1: Write the proportion equation
268,406,889.36 : 402,726,918.14 = 145,671,918.81 : x - Step 2: Convert to fraction form
268,406,889.36/402,726,918.14 = 145,671,918.81/x - Step 3: Cross multiply
268,406,889.36x = 402,726,918.14 × 145,671,918.81 - Step 4: Simplify right side
268,406,889.36x = 58,666,002,921,891,592 - Step 5: Solve for x
x = 58,666,002,921,891,592/268,406,889.36 - Step 6: Final answer
x = 218,571,151.66
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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.