Finding the Fourth Proportional to 85,795,259.04, 128,651,040.36 and 30,444,352.14
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Solution
The fourth proportional to 85,795,259.04, 128,651,040.36 and 30,444,352.14 is: 45,651,678.42
Step by Step Solution
- Step 1: Write the proportion equation
85,795,259.04 : 128,651,040.36 = 30,444,352.14 : x - Step 2: Convert to fraction form
85,795,259.04/128,651,040.36 = 30,444,352.14/x - Step 3: Cross multiply
85,795,259.04x = 128,651,040.36 × 30,444,352.14 - Step 4: Simplify right side
85,795,259.04x = 3,916,697,575,897,192.50 - Step 5: Solve for x
x = 3,916,697,575,897,192.50/85,795,259.04 - Step 6: Final answer
x = 45,651,678.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.