Finding the Fourth Proportional to 103,349,949.76, 142,622,852.30 and 56,940,203.68
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Solution
The fourth proportional to 103,349,949.76, 142,622,852.30 and 56,940,203.68 is: 78,577,437.90
Step by Step Solution
- Step 1: Write the proportion equation
103,349,949.76 : 142,622,852.30 = 56,940,203.68 : x - Step 2: Convert to fraction form
103,349,949.76/142,622,852.30 = 56,940,203.68/x - Step 3: Cross multiply
103,349,949.76x = 142,622,852.30 × 56,940,203.68 - Step 4: Simplify right side
103,349,949.76x = 8,120,974,259,276,828 - Step 5: Solve for x
x = 8,120,974,259,276,828/103,349,949.76 - Step 6: Final answer
x = 78,577,437.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.