Finding the Fourth Proportional to 117,423,815.20, 176,135,722.80 and 71,507,312.80
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Solution
The fourth proportional to 117,423,815.20, 176,135,722.80 and 71,507,312.80 is: 107,260,969.20
Step by Step Solution
- Step 1: Write the proportion equation
117,423,815.20 : 176,135,722.80 = 71,507,312.80 : x - Step 2: Convert to fraction form
117,423,815.20/176,135,722.80 = 71,507,312.80/x - Step 3: Cross multiply
117,423,815.20x = 176,135,722.80 × 71,507,312.80 - Step 4: Simplify right side
117,423,815.20x = 12,594,992,225,513,692 - Step 5: Solve for x
x = 12,594,992,225,513,692/117,423,815.20 - Step 6: Final answer
x = 107,260,969.20
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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.