Finding the Fourth Proportional to 71,006,525.04, 97,984,887.42 and 39,646,559.52
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Solution
The fourth proportional to 71,006,525.04, 97,984,887.42 and 39,646,559.52 is: 54,709,953.33
Step by Step Solution
- Step 1: Write the proportion equation
71,006,525.04 : 97,984,887.42 = 39,646,559.52 : x - Step 2: Convert to fraction form
71,006,525.04/97,984,887.42 = 39,646,559.52/x - Step 3: Cross multiply
71,006,525.04x = 97,984,887.42 × 39,646,559.52 - Step 4: Simplify right side
71,006,525.04x = 3,884,763,671,157,529.50 - Step 5: Solve for x
x = 3,884,763,671,157,529.50/71,006,525.04 - Step 6: Final answer
x = 54,709,953.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.