Finding the Fourth Proportional to 76,963,071.35, 106,219,607.11 and 47,188,455.10
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Solution
The fourth proportional to 76,963,071.35, 106,219,607.11 and 47,188,455.10 is: 65,126,548.00
Step by Step Solution
- Step 1: Write the proportion equation
76,963,071.35 : 106,219,607.11 = 47,188,455.10 : x - Step 2: Convert to fraction form
76,963,071.35/106,219,607.11 = 47,188,455.10/x - Step 3: Cross multiply
76,963,071.35x = 106,219,607.11 × 47,188,455.10 - Step 4: Simplify right side
76,963,071.35x = 5,012,339,160,466,355 - Step 5: Solve for x
x = 5,012,339,160,466,355/76,963,071.35 - Step 6: Final answer
x = 65,126,548.00
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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.