Finding the Fourth Proportional to 84,985,725.70, 127,667,545.35 and 81,773,460.10
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Solution
The fourth proportional to 84,985,725.70, 127,667,545.35 and 81,773,460.10 is: 122,842,004.82
Step by Step Solution
- Step 1: Write the proportion equation
84,985,725.70 : 127,667,545.35 = 81,773,460.10 : x - Step 2: Convert to fraction form
84,985,725.70/127,667,545.35 = 81,773,460.10/x - Step 3: Cross multiply
84,985,725.70x = 127,667,545.35 × 81,773,460.10 - Step 4: Simplify right side
84,985,725.70x = 10,439,816,925,743,164 - Step 5: Solve for x
x = 10,439,816,925,743,164/84,985,725.70 - Step 6: Final answer
x = 122,842,004.82
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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.