Finding the Fourth Proportional to 107,660,632.05, 161,483,113.13 and 42,069,483.99
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Solution
The fourth proportional to 107,660,632.05, 161,483,113.13 and 42,069,483.99 is: 63,101,164.40
Step by Step Solution
- Step 1: Write the proportion equation
107,660,632.05 : 161,483,113.13 = 42,069,483.99 : x - Step 2: Convert to fraction form
107,660,632.05/161,483,113.13 = 42,069,483.99/x - Step 3: Cross multiply
107,660,632.05x = 161,483,113.13 × 42,069,483.99 - Step 4: Simplify right side
107,660,632.05x = 6,793,511,242,267,547 - Step 5: Solve for x
x = 6,793,511,242,267,547/107,660,632.05 - Step 6: Final answer
x = 63,101,164.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.