Finding the Fourth Proportional to 90,930,462.24, 136,481,924.58 and 56,282,055.63
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Solution
The fourth proportional to 90,930,462.24, 136,481,924.58 and 56,282,055.63 is: 84,476,456.87
Step by Step Solution
- Step 1: Write the proportion equation
90,930,462.24 : 136,481,924.58 = 56,282,055.63 : x - Step 2: Convert to fraction form
90,930,462.24/136,481,924.58 = 56,282,055.63/x - Step 3: Cross multiply
90,930,462.24x = 136,481,924.58 × 56,282,055.63 - Step 4: Simplify right side
90,930,462.24x = 7,681,483,271,701,025 - Step 5: Solve for x
x = 7,681,483,271,701,025/90,930,462.24 - Step 6: Final answer
x = 84,476,456.87
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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.