Finding the Fourth Proportional to 69,620,437.08, 96,055,251.30 and 41,732,972.28
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Solution
The fourth proportional to 69,620,437.08, 96,055,251.30 and 41,732,972.28 is: 57,578,942.45
Step by Step Solution
- Step 1: Write the proportion equation
69,620,437.08 : 96,055,251.30 = 41,732,972.28 : x - Step 2: Convert to fraction form
69,620,437.08/96,055,251.30 = 41,732,972.28/x - Step 3: Cross multiply
69,620,437.08x = 96,055,251.30 × 41,732,972.28 - Step 4: Simplify right side
69,620,437.08x = 4,008,671,139,851,334 - Step 5: Solve for x
x = 4,008,671,139,851,334/69,620,437.08 - Step 6: Final answer
x = 57,578,942.45
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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.