Finding the Fourth Proportional to 75,964,316.49, 104,798,656.06 and 50,854,515.31
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Solution
The fourth proportional to 75,964,316.49, 104,798,656.06 and 50,854,515.31 is: 70,157,741.23
Step by Step Solution
- Step 1: Write the proportion equation
75,964,316.49 : 104,798,656.06 = 50,854,515.31 : x - Step 2: Convert to fraction form
75,964,316.49/104,798,656.06 = 50,854,515.31/x - Step 3: Cross multiply
75,964,316.49x = 104,798,656.06 × 50,854,515.31 - Step 4: Simplify right side
75,964,316.49x = 5,329,484,858,681,561 - Step 5: Solve for x
x = 5,329,484,858,681,561/75,964,316.49 - Step 6: Final answer
x = 70,157,741.23
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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.