Finding the Fourth Proportional to 68,346,603.20, 102,519,904.80 and 27,943,659.20
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Solution
The fourth proportional to 68,346,603.20, 102,519,904.80 and 27,943,659.20 is: 41,915,488.80
Step by Step Solution
- Step 1: Write the proportion equation
68,346,603.20 : 102,519,904.80 = 27,943,659.20 : x - Step 2: Convert to fraction form
68,346,603.20/102,519,904.80 = 27,943,659.20/x - Step 3: Cross multiply
68,346,603.20x = 102,519,904.80 × 27,943,659.20 - Step 4: Simplify right side
68,346,603.20x = 2,864,781,280,947,644 - Step 5: Solve for x
x = 2,864,781,280,947,644/68,346,603.20 - Step 6: Final answer
x = 41,915,488.80
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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.