Finding the Fourth Proportional to 169,854,926.05, 254,831,990.28 and 67,634,021.17
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Solution
The fourth proportional to 169,854,926.05, 254,831,990.28 and 67,634,021.17 is: 101,470,782.31
Step by Step Solution
- Step 1: Write the proportion equation
169,854,926.05 : 254,831,990.28 = 67,634,021.17 : x - Step 2: Convert to fraction form
169,854,926.05/254,831,990.28 = 67,634,021.17/x - Step 3: Cross multiply
169,854,926.05x = 254,831,990.28 × 67,634,021.17 - Step 4: Simplify right side
169,854,926.05x = 17,235,312,225,390,754 - Step 5: Solve for x
x = 17,235,312,225,390,754/169,854,926.05 - Step 6: Final answer
x = 101,470,782.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.