Finding the Fourth Proportional to 75,729,373.20, 104,513,885.28 and 44,799,497.28
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Solution
The fourth proportional to 75,729,373.20, 104,513,885.28 and 44,799,497.28 is: 61,827,654.47
Step by Step Solution
- Step 1: Write the proportion equation
75,729,373.20 : 104,513,885.28 = 44,799,497.28 : x - Step 2: Convert to fraction form
75,729,373.20/104,513,885.28 = 44,799,497.28/x - Step 3: Cross multiply
75,729,373.20x = 104,513,885.28 × 44,799,497.28 - Step 4: Simplify right side
75,729,373.20x = 4,682,169,519,323,592 - Step 5: Solve for x
x = 4,682,169,519,323,592/75,729,373.20 - Step 6: Final answer
x = 61,827,654.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.