Finding the Fourth Proportional to 117,422,548.20, 176,133,822.30 and 71,506,045.80
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Solution
The fourth proportional to 117,422,548.20, 176,133,822.30 and 71,506,045.80 is: 107,259,068.70
Step by Step Solution
- Step 1: Write the proportion equation
117,422,548.20 : 176,133,822.30 = 71,506,045.80 : x - Step 2: Convert to fraction form
117,422,548.20/176,133,822.30 = 71,506,045.80/x - Step 3: Cross multiply
117,422,548.20x = 176,133,822.30 × 71,506,045.80 - Step 4: Simplify right side
117,422,548.20x = 12,594,633,164,312,862 - Step 5: Solve for x
x = 12,594,633,164,312,862/117,422,548.20 - Step 6: Final answer
x = 107,259,068.70
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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.