Finding the Fourth Proportional to 70,212,914.42, 105,329,446.41 and 21,695,004.68
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Solution
The fourth proportional to 70,212,914.42, 105,329,446.41 and 21,695,004.68 is: 32,545,620.01
Step by Step Solution
- Step 1: Write the proportion equation
70,212,914.42 : 105,329,446.41 = 21,695,004.68 : x - Step 2: Convert to fraction form
70,212,914.42/105,329,446.41 = 21,695,004.68/x - Step 3: Cross multiply
70,212,914.42x = 105,329,446.41 × 21,695,004.68 - Step 4: Simplify right side
70,212,914.42x = 2,285,122,832,806,759 - Step 5: Solve for x
x = 2,285,122,832,806,759/70,212,914.42 - Step 6: Final answer
x = 32,545,620.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.