Finding the Fourth Proportional to 109,305,013.63, 163,986,235.89 and 39,282,312.13
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Solution
The fourth proportional to 109,305,013.63, 163,986,235.89 and 39,282,312.13 is: 58,933,788.02
Step by Step Solution
- Step 1: Write the proportion equation
109,305,013.63 : 163,986,235.89 = 39,282,312.13 : x - Step 2: Convert to fraction form
109,305,013.63/163,986,235.89 = 39,282,312.13/x - Step 3: Cross multiply
109,305,013.63x = 163,986,235.89 × 39,282,312.13 - Step 4: Simplify right side
109,305,013.63x = 6,441,758,503,254,788 - Step 5: Solve for x
x = 6,441,758,503,254,788/109,305,013.63 - Step 6: Final answer
x = 58,933,788.02
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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.