Finding the Fourth Proportional to 83,667,130, 125,115,426.60 and 79,585,663.12
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Solution
The fourth proportional to 83,667,130, 125,115,426.60 and 79,585,663.12 is: 119,012,020.52
Step by Step Solution
- Step 1: Write the proportion equation
83,667,130 : 125,115,426.60 = 79,585,663.12 : x - Step 2: Convert to fraction form
83,667,130/125,115,426.60 = 79,585,663.12/x - Step 3: Cross multiply
83,667,130x = 125,115,426.60 × 79,585,663.12 - Step 4: Simplify right side
83,667,130x = 9,957,394,192,502,688 - Step 5: Solve for x
x = 9,957,394,192,502,688/83,667,130 - Step 6: Final answer
x = 119,012,020.52
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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.