Finding the Fourth Proportional to 57,526,904.14, 79,386,603.65 and 31,421,415.05
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Solution
The fourth proportional to 57,526,904.14, 79,386,603.65 and 31,421,415.05 is: 43,361,266.52
Step by Step Solution
- Step 1: Write the proportion equation
57,526,904.14 : 79,386,603.65 = 31,421,415.05 : x - Step 2: Convert to fraction form
57,526,904.14/79,386,603.65 = 31,421,415.05/x - Step 3: Cross multiply
57,526,904.14x = 79,386,603.65 × 31,421,415.05 - Step 4: Simplify right side
57,526,904.14x = 2,494,439,422,539,388 - Step 5: Solve for x
x = 2,494,439,422,539,388/57,526,904.14 - Step 6: Final answer
x = 43,361,266.52
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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.