Finding the Fourth Proportional to 70,591,032.06, 97,417,989.68 and 39,230,402.73
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Solution
The fourth proportional to 70,591,032.06, 97,417,989.68 and 39,230,402.73 is: 54,139,270.34
Step by Step Solution
- Step 1: Write the proportion equation
70,591,032.06 : 97,417,989.68 = 39,230,402.73 : x - Step 2: Convert to fraction form
70,591,032.06/97,417,989.68 = 39,230,402.73/x - Step 3: Cross multiply
70,591,032.06x = 97,417,989.68 × 39,230,402.73 - Step 4: Simplify right side
70,591,032.06x = 3,821,746,968,097,231.50 - Step 5: Solve for x
x = 3,821,746,968,097,231.50/70,591,032.06 - Step 6: Final answer
x = 54,139,270.34
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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.