Finding the Fourth Proportional to 112,435,840.26, 155,158,545.15 and 62,201,914.74
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Solution
The fourth proportional to 112,435,840.26, 155,158,545.15 and 62,201,914.74 is: 85,837,030.03
Step by Step Solution
- Step 1: Write the proportion equation
112,435,840.26 : 155,158,545.15 = 62,201,914.74 : x - Step 2: Convert to fraction form
112,435,840.26/155,158,545.15 = 62,201,914.74/x - Step 3: Cross multiply
112,435,840.26x = 155,158,545.15 × 62,201,914.74 - Step 4: Simplify right side
112,435,840.26x = 9,651,158,596,602,742 - Step 5: Solve for x
x = 9,651,158,596,602,742/112,435,840.26 - Step 6: Final answer
x = 85,837,030.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.