Finding the Fourth Proportional to 70,961,723.51, 97,926,995.59 and 39,599,438.20
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Solution
The fourth proportional to 70,961,723.51, 97,926,995.59 and 39,599,438.20 is: 54,647,122.68
Step by Step Solution
- Step 1: Write the proportion equation
70,961,723.51 : 97,926,995.59 = 39,599,438.20 : x - Step 2: Convert to fraction form
70,961,723.51/97,926,995.59 = 39,599,438.20/x - Step 3: Cross multiply
70,961,723.51x = 97,926,995.59 × 39,599,438.20 - Step 4: Simplify right side
70,961,723.51x = 3,877,854,009,634,061.50 - Step 5: Solve for x
x = 3,877,854,009,634,061.50/70,961,723.51 - Step 6: Final answer
x = 54,647,122.68
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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.