Finding the Fourth Proportional to 145,667,369.25, 201,018,623.40 and 79,586,448.48
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Solution
The fourth proportional to 145,667,369.25, 201,018,623.40 and 79,586,448.48 is: 109,828,017.06
Step by Step Solution
- Step 1: Write the proportion equation
145,667,369.25 : 201,018,623.40 = 79,586,448.48 : x - Step 2: Convert to fraction form
145,667,369.25/201,018,623.40 = 79,586,448.48/x - Step 3: Cross multiply
145,667,369.25x = 201,018,623.40 × 79,586,448.48 - Step 4: Simplify right side
145,667,369.25x = 15,998,358,314,744,624 - Step 5: Solve for x
x = 15,998,358,314,744,624/145,667,369.25 - Step 6: Final answer
x = 109,828,017.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.