Finding the Fourth Proportional to 101,122,866.22, 139,509,847.88 and 58,729,208.71
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Solution
The fourth proportional to 101,122,866.22, 139,509,847.88 and 58,729,208.71 is: 81,023,247.06
Step by Step Solution
- Step 1: Write the proportion equation
101,122,866.22 : 139,509,847.88 = 58,729,208.71 : x - Step 2: Convert to fraction form
101,122,866.22/139,509,847.88 = 58,729,208.71/x - Step 3: Cross multiply
101,122,866.22x = 139,509,847.88 × 58,729,208.71 - Step 4: Simplify right side
101,122,866.22x = 8,193,302,973,244,871 - Step 5: Solve for x
x = 8,193,302,973,244,871/101,122,866.22 - Step 6: Final answer
x = 81,023,247.06
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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.