Finding the Fourth Proportional to 68,268,345.63, 102,402,617 and 27,878,829.63
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Solution
The fourth proportional to 68,268,345.63, 102,402,617 and 27,878,829.63 is: 41,818,284.69
Step by Step Solution
- Step 1: Write the proportion equation
68,268,345.63 : 102,402,617 = 27,878,829.63 : x - Step 2: Convert to fraction form
68,268,345.63/102,402,617 = 27,878,829.63/x - Step 3: Cross multiply
68,268,345.63x = 102,402,617 × 27,878,829.63 - Step 4: Simplify right side
68,268,345.63x = 2,854,865,113,009,141.50 - Step 5: Solve for x
x = 2,854,865,113,009,141.50/68,268,345.63 - Step 6: Final answer
x = 41,818,284.69
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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.