Finding the Fourth Proportional to 102,546,603.41, 153,819,677.09 and 79,237,240.09
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Solution
The fourth proportional to 102,546,603.41, 153,819,677.09 and 79,237,240.09 is: 118,855,683.95
Step by Step Solution
- Step 1: Write the proportion equation
102,546,603.41 : 153,819,677.09 = 79,237,240.09 : x - Step 2: Convert to fraction form
102,546,603.41/153,819,677.09 = 79,237,240.09/x - Step 3: Cross multiply
102,546,603.41x = 153,819,677.09 × 79,237,240.09 - Step 4: Simplify right side
102,546,603.41x = 12,188,246,683,960,148 - Step 5: Solve for x
x = 12,188,246,683,960,148/102,546,603.41 - Step 6: Final answer
x = 118,855,683.95
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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.