Finding the Fourth Proportional to 101,994,146.99, 140,774,640.57 and 64,817,178.16
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Solution
The fourth proportional to 101,994,146.99, 140,774,640.57 and 64,817,178.16 is: 89,462,142.95
Step by Step Solution
- Step 1: Write the proportion equation
101,994,146.99 : 140,774,640.57 = 64,817,178.16 : x - Step 2: Convert to fraction form
101,994,146.99/140,774,640.57 = 64,817,178.16/x - Step 3: Cross multiply
101,994,146.99x = 140,774,640.57 × 64,817,178.16 - Step 4: Simplify right side
101,994,146.99x = 9,124,614,957,883,716 - Step 5: Solve for x
x = 9,124,614,957,883,716/101,994,146.99 - Step 6: Final answer
x = 89,462,142.95
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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.