Finding the Fourth Proportional to 104,485,533.08, 156,387,257.92 and 76,812,125.08
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Solution
The fourth proportional to 104,485,533.08, 156,387,257.92 and 76,812,125.08 is: 114,967,472.17
Step by Step Solution
- Step 1: Write the proportion equation
104,485,533.08 : 156,387,257.92 = 76,812,125.08 : x - Step 2: Convert to fraction form
104,485,533.08/156,387,257.92 = 76,812,125.08/x - Step 3: Cross multiply
104,485,533.08x = 156,387,257.92 × 76,812,125.08 - Step 4: Simplify right side
104,485,533.08x = 12,012,437,616,269,260 - Step 5: Solve for x
x = 12,012,437,616,269,260/104,485,533.08 - Step 6: Final answer
x = 114,967,472.17
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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.