Finding the Fourth Proportional to 77,276,570.24, 106,644,223.68 and 42,470,494.40
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Solution
The fourth proportional to 77,276,570.24, 106,644,223.68 and 42,470,494.40 is: 58,610,687.44
Step by Step Solution
- Step 1: Write the proportion equation
77,276,570.24 : 106,644,223.68 = 42,470,494.40 : x - Step 2: Convert to fraction form
77,276,570.24/106,644,223.68 = 42,470,494.40/x - Step 3: Cross multiply
77,276,570.24x = 106,644,223.68 × 42,470,494.40 - Step 4: Simplify right side
77,276,570.24x = 4,529,232,904,593,788 - Step 5: Solve for x
x = 4,529,232,904,593,788/77,276,570.24 - Step 6: Final answer
x = 58,610,687.44
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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.