Finding the Fourth Proportional to 75,282,027.06, 112,928,437.98 and 31,518,746.44
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Solution
The fourth proportional to 75,282,027.06, 112,928,437.98 and 31,518,746.44 is: 47,280,379.42
Step by Step Solution
- Step 1: Write the proportion equation
75,282,027.06 : 112,928,437.98 = 31,518,746.44 : x - Step 2: Convert to fraction form
75,282,027.06/112,928,437.98 = 31,518,746.44/x - Step 3: Cross multiply
75,282,027.06x = 112,928,437.98 × 31,518,746.44 - Step 4: Simplify right side
75,282,027.06x = 3,559,362,802,556,886 - Step 5: Solve for x
x = 3,559,362,802,556,886/75,282,027.06 - Step 6: Final answer
x = 47,280,379.42
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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.