Finding the Fourth Proportional to 70,516,329.24, 97,322,029.74 and 39,578,191.32
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Solution
The fourth proportional to 70,516,329.24, 97,322,029.74 and 39,578,191.32 is: 54,623,233.43
Step by Step Solution
- Step 1: Write the proportion equation
70,516,329.24 : 97,322,029.74 = 39,578,191.32 : x - Step 2: Convert to fraction form
70,516,329.24/97,322,029.74 = 39,578,191.32/x - Step 3: Cross multiply
70,516,329.24x = 97,322,029.74 × 39,578,191.32 - Step 4: Simplify right side
70,516,329.24x = 3,851,829,912,700,449.50 - Step 5: Solve for x
x = 3,851,829,912,700,449.50/70,516,329.24 - Step 6: Final answer
x = 54,623,233.43
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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.