Finding the Fourth Proportional to 205,062,459.20, 307,344,856.80 and 118,634,811.20
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Solution
The fourth proportional to 205,062,459.20, 307,344,856.80 and 118,634,811.20 is: 177,808,259.99
Step by Step Solution
- Step 1: Write the proportion equation
205,062,459.20 : 307,344,856.80 = 118,634,811.20 : x - Step 2: Convert to fraction form
205,062,459.20/307,344,856.80 = 118,634,811.20/x - Step 3: Cross multiply
205,062,459.20x = 307,344,856.80 × 118,634,811.20 - Step 4: Simplify right side
205,062,459.20x = 36,461,799,059,759,040 - Step 5: Solve for x
x = 36,461,799,059,759,040/205,062,459.20 - Step 6: Final answer
x = 177,808,259.99
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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.