Finding the Fourth Proportional to 70,449,403.20, 97,220,880.66 and 39,508,908.18
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Solution
The fourth proportional to 70,449,403.20, 97,220,880.66 and 39,508,908.18 is: 54,522,688.24
Step by Step Solution
- Step 1: Write the proportion equation
70,449,403.20 : 97,220,880.66 = 39,508,908.18 : x - Step 2: Convert to fraction form
70,449,403.20/97,220,880.66 = 39,508,908.18/x - Step 3: Cross multiply
70,449,403.20x = 97,220,880.66 × 39,508,908.18 - Step 4: Simplify right side
70,449,403.20x = 3,841,090,847,174,677.50 - Step 5: Solve for x
x = 3,841,090,847,174,677.50/70,449,403.20 - Step 6: Final answer
x = 54,522,688.24
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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.