Finding the Fourth Proportional to 135,526,317.68, 203,327,423.40 and 54,803,972.72
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Solution
The fourth proportional to 135,526,317.68, 203,327,423.40 and 54,803,972.72 is: 82,221,303.99
Step by Step Solution
- Step 1: Write the proportion equation
135,526,317.68 : 203,327,423.40 = 54,803,972.72 : x - Step 2: Convert to fraction form
135,526,317.68/203,327,423.40 = 54,803,972.72/x - Step 3: Cross multiply
135,526,317.68x = 203,327,423.40 × 54,803,972.72 - Step 4: Simplify right side
135,526,317.68x = 11,143,150,565,241,490 - Step 5: Solve for x
x = 11,143,150,565,241,490/135,526,317.68 - Step 6: Final answer
x = 82,221,303.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.