Finding the Fourth Proportional to 90,930,461.24, 136,481,923.08 and 56,282,054.63
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Solution
The fourth proportional to 90,930,461.24, 136,481,923.08 and 56,282,054.63 is: 84,476,455.37
Step by Step Solution
- Step 1: Write the proportion equation
90,930,461.24 : 136,481,923.08 = 56,282,054.63 : x - Step 2: Convert to fraction form
90,930,461.24/136,481,923.08 = 56,282,054.63/x - Step 3: Cross multiply
90,930,461.24x = 136,481,923.08 × 56,282,054.63 - Step 4: Simplify right side
90,930,461.24x = 7,681,483,050,113,609 - Step 5: Solve for x
x = 7,681,483,050,113,609/90,930,461.24 - Step 6: Final answer
x = 84,476,455.37
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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.