Finding the Fourth Proportional to 121,811,295.39, 168,084,095.00 and 69,603,710.91
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Solution
The fourth proportional to 121,811,295.39, 168,084,095.00 and 69,603,710.91 is: 96,044,268.47
Step by Step Solution
- Step 1: Write the proportion equation
121,811,295.39 : 168,084,095.00 = 69,603,710.91 : x - Step 2: Convert to fraction form
121,811,295.39/168,084,095.00 = 69,603,710.91/x - Step 3: Cross multiply
121,811,295.39x = 168,084,095.00 × 69,603,710.91 - Step 4: Simplify right side
121,811,295.39x = 11,699,276,756,600,958 - Step 5: Solve for x
x = 11,699,276,756,600,958/121,811,295.39 - Step 6: Final answer
x = 96,044,268.47
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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.